Scalding Tarn (Card)

Scalding Tarn
In 528573 decks 11% of 4790748 decks
Nick Wolf
Cards That Confuse New Commander Players
What is Crypt Ghast's color identity? Why are fetchlands better than Evolving Wilds and Terramorphic Expanse?
Drake Sasser
Play The Surveil Lands In Your Commander Deck!
They have basic land typing, they enter tapped and they surveil. Here’s why they’re a perfect addition to any Commander deck, even in cEDH!
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
The Ur-Dragon
32.60% of 27203 decks 8867 decks
Kenrith, the Returned King
33.50% of 21550 decks 7219 decks
Omnath, Locus of Creation
52.13% of 13612 decks 7096 decks
Nekusar, the Mindrazer
35.53% of 18108 decks 6433 decks
Kraum, Ludevic's Opus // Tymna the Weaver
92.47% of 6492 decks 6003 decks
Sisay, Weatherlight Captain
47.88% of 12157 decks 5821 decks
Najeela, the Blade-Blossom
52.88% of 10780 decks 5700 decks
Sauron, the Dark Lord
26.41% of 20666 decks 5457 decks
Yuriko, the Tiger's Shadow
23.34% of 22965 decks 5360 decks
Animar, Soul of Elements
33.41% of 15933 decks 5324 decks
Miirym, Sentinel Wyrm
25.04% of 20854 decks 5221 decks
Jodah, the Unifier
27.02% of 18391 decks 4970 decks
Kinnan, Bonder Prodigy
41.37% of 11969 decks 4952 decks
Esika, God of the Tree
27.82% of 17776 decks 4946 decks
Niv-Mizzet, Parun
33.75% of 14480 decks 4887 decks
Breya, Etherium Shaper
34.93% of 13897 decks 4854 decks
Ghyrson Starn, Kelermorph
29.58% of 15634 decks 4625 decks
Aragorn, the Uniter
26.39% of 16308 decks 4303 decks
New Cards
Gutless Plunderer
60% of 5 decks +12% synergy
Walk-In Closet // Forgotten Cellar
54% of 3910 decks +19% synergy
Hare Apparent
45% of 240 decks +2% synergy
Boltwave
44% of 909 decks +20% synergy
Loot, Exuberant Explorer
42% of 491 decks +19% synergy
High Synergy Cards
Birds of Paradise
59% of 239921 decks +32% synergy
Rhystic Study
60% of 448643 decks +32% synergy
Enlightened Tutor
49% of 235881 decks +31% synergy
Fierce Guardianship
49% of 446845 decks +31% synergy
Orcish Bowmasters
42% of 193288 decks +31% synergy
Cyclonic Rift
58% of 448566 decks +30% synergy
Boseiju, Who Endures
50% of 233438 decks +30% synergy
Esper Sentinel
48% of 233154 decks +28% synergy
Otawara, Soaring City
43% of 437198 decks +26% synergy
Worldly Tutor
40% of 239921 decks +26% synergy
Top Cards
Swords to Plowshares
68% of 235881 decks +6% synergy
Mystic Remora
44% of 448643 decks +26% synergy
Smothering Tithe
43% of 235555 decks +17% synergy
Swan Song
42% of 448550 decks +26% synergy
Blasphemous Edict
42% of 598 decks +9% synergy
Deflecting Swat
41% of 408346 decks +25% synergy
Mystical Tutor
39% of 448643 decks +24% synergy
Delighted Halfling
39% of 165946 decks +24% synergy
Dark Ritual
38% of 276119 decks +16% synergy
Nature's Lore
38% of 239921 decks +6% synergy
Creatures
Ignoble Hierarch
37% of 97402 decks +11% synergy
Dockside Extortionist
36% of 409012 decks +23% synergy
Noble Hierarch
35% of 114634 decks +19% synergy
Lotho, Corrupt Shirriff
34% of 92415 decks +19% synergy
Deathrite Shaman
32% of 123457 decks +20% synergy
Pollywog Prodigy
32% of 49930 decks +18% synergy
Enduring Vitality
30% of 8743 decks +3% synergy
Bloom Tender
29% of 239921 decks +21% synergy
Opposition Agent
28% of 274268 decks +21% synergy
Grand Abolisher
27% of 235853 decks +18% synergy
Drannith Magistrate
26% of 234798 decks +19% synergy
Strix Lookout
25% of 12 decks +1% synergy
Faeburrow Elder
25% of 127118 decks +13% synergy
Eternal Witness
25% of 239921 decks +3% synergy
Kutzil, Malamet Exemplar
24% of 53165 decks +5% synergy
Ragavan, Nimble Pilferer
24% of 405395 decks +16% synergy
Ranger-Captain of Eos
24% of 235481 decks +19% synergy
Dauthi Voidwalker
22% of 273072 decks +14% synergy
Thassa's Oracle
21% of 447121 decks +14% synergy
Abyssal Harvester
21% of 175 decks +9% synergy
Llanowar Elves
20% of 239921 decks -1% synergy
Elvish Mystic
18% of 239867 decks +0% synergy
Mockingbird
18% of 58950 decks +10% synergy
The Lord of Pain
17% of 4913 decks -8% synergy
Simian Spirit Guide
17% of 409884 decks +11% synergy
Archivist of Oghma
17% of 221233 decks +10% synergy
Twinflame Tyrant
16% of 3516 decks +2% synergy
Elenda, Saint of Dusk
16% of 43 decks -15% synergy
Fyndhorn Elves
16% of 239921 decks +3% synergy
Talion, the Kindly Lord
16% of 132758 decks +10% synergy
Elvish Spirit Guide
16% of 239921 decks +13% synergy
Avacyn's Pilgrim
16% of 127451 decks +1% synergy
Seedborn Muse
16% of 239921 decks +7% synergy
Morophon, the Boundless
15% of 78599 decks +2% synergy
Valley Floodcaller
15% of 68251 decks +10% synergy
Imperial Recruiter
15% of 409884 decks +9% synergy
Alesha, Who Laughs at Fate
15% of 479 decks -2% synergy
Phyrexian Metamorph
15% of 448623 decks +8% synergy
Elves of Deep Shadow
15% of 123476 decks +4% synergy
Roaming Throne
14% of 257236 decks +4% synergy
Ghostly Dancers
14% of 5001 decks +1% synergy
Razorkin Needlehead
14% of 27096 decks +3% synergy
Dryad of the Ilysian Grove
14% of 239050 decks +6% synergy
Rev, Tithe Extractor
13% of 1207 decks +7% synergy
Niv-Mizzet, Visionary
13% of 2791 decks -0% synergy
Faerie Mastermind
13% of 348601 decks +6% synergy
Emiel the Blessed
13% of 126555 decks +9% synergy
Entity Tracker
13% of 10061 decks -5% synergy
Kinnan, Bonder Prodigy
13% of 202880 decks +8% synergy
Archmage of Runes
12% of 3483 decks +3% synergy
Instants
Vampiric Tutor
56% of 276119 decks +38% synergy
Force of Will
38% of 448643 decks +27% synergy
Path to Exile
38% of 235881 decks -7% synergy
An Offer You Can't Refuse
38% of 431779 decks +17% synergy
Assassin's Trophy
35% of 123293 decks +5% synergy
Mana Drain
35% of 448643 decks +20% synergy
Counterspell
32% of 448643 decks -11% synergy
Force of Negation
31% of 447864 decks +22% synergy
Silence
30% of 235881 decks +24% synergy
Heroic Intervention
29% of 239761 decks -1% synergy
Teferi's Protection
28% of 235709 decks +8% synergy
Flusterstorm
28% of 448588 decks +21% synergy
Tainted Pact
28% of 276119 decks +24% synergy
Brainstorm
27% of 448643 decks +6% synergy
Eladamri's Call
27% of 127473 decks +15% synergy
Pact of Negation
27% of 448643 decks +19% synergy
Abrupt Decay
26% of 123457 decks +16% synergy
Mental Misstep
25% of 448623 decks +19% synergy
Beast Within
25% of 239912 decks -14% synergy
Deadly Rollick
25% of 274903 decks +14% synergy
Demonic Consultation
25% of 276119 decks +21% synergy
Chaos Warp
25% of 409837 decks -8% synergy
Sink into Stupor
23% of 122268 decks +10% synergy
Veil of Summer
23% of 239369 decks +17% synergy
Crop Rotation
21% of 239921 decks +11% synergy
Withering Torment
21% of 11257 decks -1% synergy
Dovin's Veto
21% of 200907 decks +1% synergy
Noxious Revival
19% of 239912 decks +13% synergy
Mindbreak Trap
18% of 448643 decks +14% synergy
Arcane Denial
18% of 448643 decks -2% synergy
Cabal Ritual
17% of 276119 decks +12% synergy
Chain of Vapor
17% of 448643 decks +13% synergy
Red Elemental Blast
17% of 409884 decks +10% synergy
Ad Nauseam
17% of 276119 decks +14% synergy
Pyroblast
16% of 409884 decks +10% synergy
Untimely Malfunction
16% of 20090 decks -2% synergy
Chord of Calling
16% of 239921 decks +10% synergy
Anguished Unmaking
15% of 137042 decks -9% synergy
Entomb
14% of 276119 decks +7% synergy
Lightning Bolt
14% of 409884 decks +3% synergy
Growth Spiral
14% of 203579 decks -8% synergy
Generous Gift
14% of 235481 decks -12% synergy
Boros Charm
13% of 183274 decks -12% synergy
Snap
13% of 448643 decks +6% synergy
Into the Flood Maw
13% of 68251 decks +7% synergy
Pongify
13% of 448643 decks +1% synergy
Strix Serenade
13% of 122268 decks +6% synergy
Frantic Search
13% of 448643 decks +1% synergy
Brain Freeze
13% of 448643 decks +9% synergy
Culling the Weak
12% of 276119 decks +9% synergy
Sorceries
Demonic Tutor
61% of 276119 decks +39% synergy
Farseek
38% of 239921 decks +4% synergy
Three Visits
36% of 239921 decks +12% synergy
Jeska's Will
32% of 407405 decks +15% synergy
Imperial Seal
30% of 276119 decks +24% synergy
Toxic Deluge
29% of 276064 decks +12% synergy
Blasphemous Act
28% of 409827 decks -6% synergy
Finale of Devastation
27% of 239509 decks +18% synergy
Gamble
26% of 409884 decks +16% synergy
Reanimate
24% of 276119 decks +9% synergy
Cultivate
24% of 239915 decks -23% synergy
Windfall
22% of 448643 decks +9% synergy
Diabolic Intent
21% of 276119 decks +12% synergy
Eldritch Evolution
20% of 239793 decks +16% synergy
Sevinne's Reclamation
19% of 235341 decks +12% synergy
Culling Ritual
18% of 121815 decks +7% synergy
Wheel of Fortune
18% of 409884 decks +13% synergy
Kodama's Reach
17% of 239921 decks -15% synergy
Ponder
17% of 448643 decks +4% synergy
Neoform
16% of 203546 decks +10% synergy
Rampant Growth
15% of 239921 decks -19% synergy
Beseech the Mirror
15% of 155945 decks +11% synergy
Gitaxian Probe
15% of 448623 decks +9% synergy
Vandalblast
14% of 409817 decks -2% synergy
Faithless Looting
14% of 409821 decks -3% synergy
Green Sun's Zenith
13% of 239913 decks +7% synergy
Mnemonic Betrayal
13% of 233391 decks +9% synergy
Farewell
13% of 229936 decks -1% synergy
Supreme Verdict
13% of 201193 decks -1% synergy
Preordain
12% of 448630 decks +1% synergy
Skyshroud Claim
12% of 239921 decks +3% synergy
Raise the Past
12% of 633 decks -4% synergy
Rite of Flame
12% of 409884 decks +9% synergy
Feed the Swarm
12% of 274401 decks -7% synergy
Praetor's Grasp
11% of 276107 decks +9% synergy
Damn
11% of 135401 decks -5% synergy
Sea Gate Restoration
10% of 445974 decks +5% synergy
Demonic Counsel
9% of 19538 decks +4% synergy
Ruinous Ultimatum
9% of 105366 decks -9% synergy
Enter the Enigma
9% of 14126 decks -1% synergy
Eerie Ultimatum
9% of 90605 decks -3% synergy
Damnation
9% of 276119 decks +1% synergy
Fabricate
9% of 448643 decks +2% synergy
Redress Fate
8% of 6670 decks -2% synergy
Grim Tutor
8% of 276119 decks +4% synergy
Molten Duplication
8% of 125679 decks +4% synergy
Bala Ged Recovery
7% of 238326 decks -2% synergy
Expressive Iteration
7% of 324555 decks +0% synergy
Solve the Equation
7% of 444132 decks +3% synergy
Revenge of the Rats
7% of 175 decks +1% synergy
Utility Artifacts
The One Ring
31% of 407855 decks +22% synergy
Lightning Greaves
25% of 531016 decks -0% synergy
Wishclaw Talisman
24% of 275427 decks +19% synergy
Swiftfoot Boots
15% of 530948 decks -12% synergy
Sensei's Divining Top
14% of 531016 decks +9% synergy
The Great Henge
12% of 239303 decks +2% synergy
Leyline Axe
10% of 1812 decks +4% synergy
Skullclamp
9% of 531016 decks -4% synergy
Bolas's Citadel
9% of 275675 decks -1% synergy
Isochron Scepter
7% of 531016 decks +5% synergy
Fist of Suns
7% of 78760 decks -0% synergy
Conduit of Worlds
6% of 196128 decks -0% synergy
Birthing Pod
6% of 239912 decks +4% synergy
Celestial Armor
6% of 633 decks +1% synergy
Enchantments
Dazzling Theater // Prop Room
32% of 3248 decks -9% synergy
Sylvan Library
29% of 239921 decks +17% synergy
Leyline of the Guildpact
25% of 25644 decks +1% synergy
Underworld Breach
22% of 408543 decks +16% synergy
Leyline of Mutation
17% of 3732 decks -1% synergy
Rite of the Dragoncaller
17% of 909 decks +6% synergy
Temur Ascendancy
17% of 149175 decks +2% synergy
Annie Joins Up
16% of 29012 decks -3% synergy
Rhythm of the Wild
16% of 184691 decks -8% synergy
Carpet of Flowers
15% of 239921 decks +11% synergy
Necropotence
14% of 276119 decks +9% synergy
Exploration
14% of 239921 decks +6% synergy
Animate Dead
13% of 276119 decks +4% synergy
Trouble in Pairs
13% of 82751 decks +6% synergy
Roaring Furnace // Steaming Sauna
13% of 7044 decks -8% synergy
Restricted Office // Lecture Hall
13% of 5822 decks -3% synergy
Wild Growth
12% of 239921 decks +1% synergy
Derelict Attic // Widow's Walk
12% of 3126 decks -0% synergy
Black Market Connections
12% of 257555 decks +1% synergy
Secret Arcade // Dusty Parlor
11% of 6670 decks +1% synergy
Whirlwind of Thought
11% of 148158 decks +0% synergy
Mirari's Wake
10% of 127473 decks -4% synergy
Garruk's Uprising
9% of 238511 decks -6% synergy
Utopia Sprawl
9% of 239921 decks +2% synergy
Moldering Gym // Weight Room
9% of 5058 decks +1% synergy
Blind Obedience
9% of 235838 decks +2% synergy
Chthonian Nightmare
9% of 75582 decks +6% synergy
Caretaker's Talent
8% of 24405 decks -7% synergy
Unholy Annex // Ritual Chamber
8% of 11257 decks +1% synergy
Warleader's Call
7% of 71425 decks -4% synergy
Meat Locker // Drowned Diner
7% of 6417 decks -4% synergy
Propaganda
7% of 448643 decks -4% synergy
Surgical Suite // Hospital Room
7% of 5001 decks +1% synergy
Doubling Season
7% of 239921 decks -2% synergy
Survival of the Fittest
7% of 239921 decks +5% synergy
Ghostly Prison
7% of 235881 decks -5% synergy
Food Chain
6% of 239921 decks +5% synergy
Cramped Vents // Access Maze
6% of 8705 decks +1% synergy
Phyrexian Arena
6% of 276119 decks -8% synergy
Sterling Grove
6% of 127473 decks -2% synergy
Anointed Procession
6% of 235738 decks -3% synergy
Jeskai Ascendancy
6% of 148825 decks +0% synergy
Dollmaker's Shop // Porcelain Gallery
6% of 13299 decks -1% synergy
Necromancy
6% of 276119 decks +3% synergy
Charred Foyer // Warped Space
6% of 16411 decks -0% synergy
Burgeoning
6% of 239921 decks +2% synergy
Aura Shards
6% of 127473 decks -3% synergy
Greenhouse // Rickety Gazebo
6% of 10419 decks +1% synergy
Defiled Crypt // Cadaver Lab
6% of 5729 decks -2% synergy
Mirror Room // Fractured Realm
6% of 24988 decks -1% synergy
Battles
Invasion of Ikoria
15% of 175955 decks +10% synergy
Planeswalkers
Teferi, Time Raveler
17% of 200907 decks +11% synergy
Oko, Thief of Crowns
10% of 203366 decks +4% synergy
Ral, Crackling Wit
9% of 51443 decks -0% synergy
Narset, Parter of Veils
9% of 447950 decks +3% synergy
Kaito, Bane of Nightmares
9% of 15405 decks +3% synergy
Tyvar, Jubilant Brawler
7% of 99072 decks +2% synergy
Dihada, Binder of Wills
7% of 95810 decks +1% synergy
Nicol Bolas, Dragon-God
6% of 166885 decks +1% synergy
Tezzeret the Seeker
5% of 448643 decks +3% synergy
Utility Lands
Ancient Tomb
40% of 531016 decks +29% synergy
Reliquary Tower
24% of 531016 decks -5% synergy
Gaea's Cradle
21% of 239921 decks +15% synergy
Urza's Saga
21% of 525130 decks +14% synergy
Shifting Woodland
20% of 63797 decks +10% synergy
Mystic Sanctuary
14% of 447605 decks +1% synergy
Bojuka Bog
13% of 276113 decks -17% synergy
Yavimaya, Cradle of Growth
13% of 525130 decks +3% synergy
Urborg, Tomb of Yawgmoth
13% of 531016 decks +3% synergy
Takenuma, Abandoned Mire
12% of 269159 decks +1% synergy
Eiganjo, Seat of the Empire
11% of 229936 decks +2% synergy
Arena of Glory
10% of 92790 decks +0% synergy
Minamo, School at Water's Edge
10% of 448643 decks +6% synergy
Phyrexian Tower
10% of 276119 decks +1% synergy
Three Tree City
8% of 85592 decks -2% synergy
Cephalid Coliseum
8% of 448643 decks +5% synergy
Rogue's Passage
7% of 530927 decks -12% synergy
Cabal Coffers
6% of 276119 decks -5% synergy
Academy Ruins
6% of 448643 decks +1% synergy
Inventors' Fair
6% of 530724 decks +2% synergy
Emergence Zone
6% of 530206 decks +4% synergy
Kessig Wolf Run
6% of 184964 decks -10% synergy
Field of the Dead
6% of 529935 decks +3% synergy
Sokenzan, Crucible of Defiance
6% of 399412 decks +1% synergy
Dryad Arbor
6% of 239921 decks +2% synergy
Seat of the Synod
6% of 448643 decks -0% synergy
Great Furnace
6% of 409884 decks +0% synergy
Command Beacon
5% of 530777 decks +1% synergy
Shizo, Death's Storehouse
5% of 276119 decks +1% synergy
Hall of Heliod's Generosity
5% of 235481 decks -2% synergy
Mana Artifacts
Sol Ring
90% of 531016 decks +5% synergy
Arcane Signet
80% of 529800 decks +8% synergy
Talisman of Dominance
38% of 233713 decks +7% synergy
Fellwar Stone
38% of 531016 decks +17% synergy
Talisman of Creativity
37% of 327230 decks +8% synergy
Mana Crypt
37% of 531016 decks +28% synergy
Chrome Mox
35% of 531016 decks +28% synergy
Lotus Petal
33% of 531016 decks +26% synergy
Talisman of Indulgence
30% of 209354 decks +4% synergy
Mana Vault
30% of 531016 decks +24% synergy
Talisman of Progress
28% of 201224 decks +5% synergy
Mox Diamond
27% of 531016 decks +22% synergy
Izzet Signet
26% of 327801 decks -2% synergy
Jeweled Lotus
24% of 527652 decks +18% synergy
Mox Opal
23% of 531001 decks +18% synergy
Dimir Signet
20% of 233713 decks -9% synergy
Talisman of Conviction
20% of 183022 decks -3% synergy
Rakdos Signet
19% of 209354 decks -11% synergy
Mox Amber
17% of 530467 decks +13% synergy
Azorius Signet
16% of 201224 decks -10% synergy
Talisman of Curiosity
15% of 203510 decks +2% synergy
Talisman of Hierarchy
14% of 136838 decks -10% synergy
Timeless Lotus
14% of 71063 decks -0% synergy
Thought Vessel
13% of 530777 decks -3% synergy
Chromatic Lantern
13% of 530927 decks +4% synergy
Boros Signet
13% of 183303 decks -11% synergy
Lion's Eye Diamond
12% of 531016 decks +11% synergy
Relic of Sauron
11% of 102579 decks -1% synergy
Grim Monolith
11% of 531016 decks +9% synergy
Mind Stone
9% of 531016 decks -9% synergy
Simic Signet
8% of 203905 decks -6% synergy
Talisman of Impulse
8% of 184994 decks -1% synergy
Commander's Sphere
7% of 530833 decks -9% synergy
Orzhov Signet
7% of 137098 decks -21% synergy
Talisman of Resilience
6% of 123220 decks -5% synergy
Basalt Monolith
6% of 531016 decks +3% synergy
Séance Board
5% of 10879 decks -0% synergy
Gruul Signet
5% of 184994 decks -7% synergy
Springleaf Drum
5% of 531016 decks +3% synergy
Cursed Mirror
5% of 405965 decks -0% synergy
Lands
Command Tower
91% of 530953 decks +17% synergy
Steam Vents
81% of 327801 decks +42% synergy
Breeding Pool
80% of 203905 decks +39% synergy
Watery Grave
80% of 233713 decks +39% synergy
Stomping Ground
77% of 184994 decks +35% synergy
Hallowed Fountain
76% of 201224 decks +36% synergy
Blood Crypt
74% of 209354 decks +35% synergy
Overgrown Tomb
70% of 123476 decks +27% synergy
Temple Garden
68% of 127473 decks +28% synergy
Sacred Foundry
68% of 183303 decks +32% synergy
Misty Rainforest
64% of 531016 decks +52% synergy
Godless Shrine
62% of 137098 decks +21% synergy
Polluted Delta
61% of 531016 decks +50% synergy
Flooded Strand
59% of 531016 decks +48% synergy
Arid Mesa
56% of 531016 decks +45% synergy
Bloodstained Mire
56% of 531016 decks +45% synergy
Wooded Foothills
53% of 531016 decks +42% synergy
Ketria Triome
50% of 148504 decks +18% synergy
Verdant Catacombs
50% of 531016 decks +38% synergy
Training Center
48% of 325750 decks +21% synergy
Exotic Orchard
48% of 531016 decks +12% synergy
Marsh Flats
47% of 531016 decks +36% synergy
Scrubland
47% of 137098 decks +33% synergy
Underground Sea
47% of 233713 decks +32% synergy
Bayou
46% of 123476 decks +32% synergy
Tropical Island
45% of 203905 decks +31% synergy
Tundra
45% of 201224 decks +31% synergy
Morphic Pool
44% of 233445 decks +18% synergy
Badlands
43% of 209354 decks +30% synergy
Savannah
43% of 127473 decks +30% synergy
Windswept Heath
43% of 531016 decks +32% synergy
Raugrin Triome
42% of 148158 decks +16% synergy
Xander's Lounge
42% of 161263 decks +14% synergy
Taiga
42% of 184994 decks +29% synergy
Plateau
41% of 183303 decks +28% synergy
City of Brass
40% of 531016 decks +32% synergy
Mana Confluence
39% of 530892 decks +32% synergy
Volcanic Island
38% of 327801 decks +25% synergy
Jetmir's Garden
38% of 103636 decks +5% synergy
Spara's Headquarters
38% of 109924 decks +6% synergy
Luxury Suite
37% of 209098 decks +11% synergy
Rejuvenating Springs
37% of 202317 decks +8% synergy
Zagoth Triome
36% of 108728 decks +5% synergy
Ziatora's Proving Ground
35% of 94398 decks +3% synergy
Sea of Clouds
34% of 201013 decks +8% synergy
Indatha Triome
34% of 90605 decks +3% synergy
The World Tree
32% of 77935 decks -2% synergy
Sulfur Falls
29% of 327755 decks -1% synergy
Spire Garden
29% of 184759 decks +5% synergy
Spectator Seating
29% of 182056 decks +4% synergy