Optimus Prime, Hero (Commander) - Budget Optimized

Optimus Prime, Hero
Rank #549
7decks
Background image for How Fun Are All of the Jeskai Commanders?
Benjamin Levin
Oct 21, 2025
How Fun Are All of the Jeskai Commanders?
There are dozens of Jeskai commanders available now, but which ones are fun to play? Let's break them all down.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Padeem, Consul of Innovation
71%inclusion5 decks7 decks
67%synergy
Foundry Inspector
71%inclusion5 decks7 decks
64%synergy
Enthusiastic Mechanaut
71%inclusion5 decks7 decks
59%synergy
Arcee, Sharpshooter
57%inclusion4 decks7 decks
56%synergy
Abzan Falconer
57%inclusion4 decks7 decks
55%synergy
Thopter Spy Network
57%inclusion4 decks7 decks
53%synergy
Cayth, Famed Mechanist
57%inclusion4 decks7 decks
49%synergy
Etherium Sculptor
57%inclusion4 decks7 decks
45%synergy
Solemn Simulacrum
57%inclusion4 decks7 decks
40%synergy
Counterspell
57%inclusion4 decks7 decks
22%synergy
Top Cards
Swords to Plowshares
57%inclusion4 decks7 decks
-11%synergy
Game Changers
Enlightened Tutor
29%inclusion2 decks7 decks
13%synergy
The One Ring
14%inclusion1 decks7 decks
7%synergy
Mystical Tutor
14%inclusion1 decks7 decks
3%synergy
Gamble
14%inclusion1 decks7 decks
8%synergy
Drannith Magistrate
14%inclusion1 decks7 decks
11%synergy
Grand Arbiter Augustin IV
14%inclusion1 decks7 decks
12%synergy
Creatures
Jetfire, Ingenious Scientist
43%inclusion3 decks7 decks
41%synergy
Ratchet, Field Medic
43%inclusion3 decks7 decks
42%synergy
Kappa Cannoneer
43%inclusion3 decks7 decks
37%synergy
Prowl, Stoic Strategist
43%inclusion3 decks7 decks
41%synergy
Herald of Secret Streams
43%inclusion3 decks7 decks
40%synergy
Goldbug, Humanity's Ally
43%inclusion3 decks7 decks
42%synergy
Kotori, Pilot Prodigy
29%inclusion2 decks7 decks
28%synergy
Niv-Mizzet, Parun
29%inclusion2 decks7 decks
25%synergy
Bronze Guardian
29%inclusion2 decks7 decks
26%synergy
Arcbound Shikari
29%inclusion2 decks7 decks
27%synergy
Mendicant Core, Guidelight
29%inclusion2 decks7 decks
26%synergy
Lae'zel, Vlaakith's Champion
29%inclusion2 decks7 decks
23%synergy
Urza, Lord High Artificer
29%inclusion2 decks7 decks
24%synergy
Losheel, Clockwork Scholar
29%inclusion2 decks7 decks
26%synergy
Abzan Battle Priest
29%inclusion2 decks7 decks
28%synergy
Archmage Emeritus
29%inclusion2 decks7 decks
17%synergy
Steel Overseer
29%inclusion2 decks7 decks
19%synergy
Slicer, Hired Muscle
29%inclusion2 decks7 decks
27%synergy
Lion Sash
29%inclusion2 decks7 decks
27%synergy
Urza, Prince of Kroog
29%inclusion2 decks7 decks
27%synergy
Sram, Senior Edificer
29%inclusion2 decks7 decks
23%synergy
Voyager Quickwelder
29%inclusion2 decks7 decks
27%synergy
Gold-Forged Thopteryx
29%inclusion2 decks7 decks
27%synergy
Jhoira, Weatherlight Captain
29%inclusion2 decks7 decks
17%synergy
Alibou, Ancient Witness
29%inclusion2 decks7 decks
23%synergy
Absolute Virtue
20%inclusion1 decks5 decks
19%synergy
Edgar, Master Machinist
20%inclusion1 decks5 decks
20%synergy
Winota, Joiner of Forces
14%inclusion1 decks7 decks
14%synergy
Witch Enchanter
14%inclusion1 decks7 decks
7%synergy
Scholar of the Ages
14%inclusion1 decks7 decks
14%synergy
Felidar Guardian
14%inclusion1 decks7 decks
13%synergy
Restoration Specialist
14%inclusion1 decks7 decks
14%synergy
Mistmeadow Witch
14%inclusion1 decks7 decks
14%synergy
Monastery Mentor
14%inclusion1 decks7 decks
0%synergy
Hanna, Ship's Navigator
14%inclusion1 decks7 decks
13%synergy
Oltec Matterweaver
14%inclusion1 decks7 decks
11%synergy
Bronze Walrus
14%inclusion1 decks7 decks
14%synergy
Curie, Emergent Intelligence
14%inclusion1 decks7 decks
13%synergy
Arcbound Javelineer
14%inclusion1 decks7 decks
14%synergy
Chief of the Foundry
14%inclusion1 decks7 decks
14%synergy
Warden of the Eye
14%inclusion1 decks7 decks
14%synergy
Adaptive Automaton
14%inclusion1 decks7 decks
14%synergy
Bearer of the Heavens
14%inclusion1 decks7 decks
14%synergy
The Red Terror
14%inclusion1 decks7 decks
14%synergy
Myr Convert
14%inclusion1 decks7 decks
14%synergy
Kykar, Wind's Fury
14%inclusion1 decks7 decks
3%synergy
Illustrious Wanderglyph
14%inclusion1 decks7 decks
11%synergy
Ornithopter
14%inclusion1 decks7 decks
14%synergy
Arcane Proxy
14%inclusion1 decks7 decks
14%synergy
Liberator, Urza's Battlethopter
14%inclusion1 decks7 decks
13%synergy
Instants
Path to Exile
43%inclusion3 decks7 decks
-7%synergy
Chaos Warp
29%inclusion2 decks7 decks
7%synergy
Duty Beyond Death
17%inclusion1 decks6 decks
16%synergy
Disdainful Stroke
14%inclusion1 decks7 decks
13%synergy
Experimental Augury
14%inclusion1 decks7 decks
7%synergy
Negate
14%inclusion1 decks7 decks
-2%synergy
Topple the Statue
14%inclusion1 decks7 decks
14%synergy
Blacksmith's Skill
14%inclusion1 decks7 decks
13%synergy
Reverberate
14%inclusion1 decks7 decks
13%synergy
Arcane Denial
14%inclusion1 decks7 decks
-2%synergy
Auspicious Arrival
14%inclusion1 decks7 decks
14%synergy
Sink into Stupor
14%inclusion1 decks7 decks
5%synergy
Desynchronization
14%inclusion1 decks7 decks
12%synergy
Flare of Duplication
14%inclusion1 decks7 decks
13%synergy
Akroma's Will
14%inclusion1 decks7 decks
3%synergy
Gideon's Sacrifice
14%inclusion1 decks7 decks
14%synergy
Dovin's Veto
14%inclusion1 decks7 decks
-4%synergy
Thrill of Possibility
14%inclusion1 decks7 decks
10%synergy
An Offer You Can't Refuse
14%inclusion1 decks7 decks
-5%synergy
Parting Gust
14%inclusion1 decks7 decks
13%synergy
Flare of Denial
14%inclusion1 decks7 decks
13%synergy
Flare of Fortitude
14%inclusion1 decks7 decks
12%synergy
Psychic Spiral
14%inclusion1 decks7 decks
14%synergy
Alchemist's Retrieval
14%inclusion1 decks7 decks
14%synergy
Disenchant
14%inclusion1 decks7 decks
12%synergy
Chandra's Fury
14%inclusion1 decks7 decks
14%synergy
Forsake the Worldly
14%inclusion1 decks7 decks
13%synergy
Essence Capture
14%inclusion1 decks7 decks
14%synergy
Dispatch
14%inclusion1 decks7 decks
1%synergy
Frantic Search
14%inclusion1 decks7 decks
-1%synergy
Boros Charm
14%inclusion1 decks7 decks
-7%synergy
Temur Battle Rage
14%inclusion1 decks7 decks
12%synergy
Deliberate
14%inclusion1 decks7 decks
14%synergy
Consider
14%inclusion1 decks7 decks
5%synergy
Disorder in the Court
14%inclusion1 decks7 decks
12%synergy
Cloudshift
14%inclusion1 decks7 decks
12%synergy
Mana Drain
14%inclusion1 decks7 decks
4%synergy
Strix Serenade
14%inclusion1 decks7 decks
12%synergy
Final Showdown
14%inclusion1 decks7 decks
13%synergy
Swan Song
14%inclusion1 decks7 decks
-2%synergy
Invert // Invent
14%inclusion1 decks7 decks
14%synergy
Abzan Advantage
14%inclusion1 decks7 decks
14%synergy
Deduce
14%inclusion1 decks7 decks
14%synergy
Abrade
14%inclusion1 decks7 decks
8%synergy
Generous Gift
14%inclusion1 decks7 decks
-8%synergy
Sorceries
Blasphemous Act
43%inclusion3 decks7 decks
20%synergy
Vanquish the Horde
29%inclusion2 decks7 decks
25%synergy
Doomskar
29%inclusion2 decks7 decks
28%synergy
Solve the Equation
29%inclusion2 decks7 decks
25%synergy
Supreme Verdict
14%inclusion1 decks7 decks
1%synergy
Demolish
14%inclusion1 decks7 decks
14%synergy
Past in Flames
14%inclusion1 decks7 decks
12%synergy
Fiery Confluence
14%inclusion1 decks7 decks
13%synergy
Faithless Looting
14%inclusion1 decks7 decks
1%synergy
Ascend from Avernus
14%inclusion1 decks7 decks
14%synergy
Obliterate
14%inclusion1 decks7 decks
14%synergy
Shreds of Sanity
14%inclusion1 decks7 decks
14%synergy
Hour of Revelation
14%inclusion1 decks7 decks
14%synergy
Sundering Eruption
14%inclusion1 decks7 decks
11%synergy
Ancestral Reminiscence
14%inclusion1 decks7 decks
14%synergy
Archangel's Light
14%inclusion1 decks7 decks
14%synergy
Ondu Inversion
14%inclusion1 decks7 decks
13%synergy
Vandalblast
14%inclusion1 decks7 decks
5%synergy
Fabricate
14%inclusion1 decks7 decks
7%synergy
Of One Mind
14%inclusion1 decks7 decks
14%synergy
Lórien Revealed
14%inclusion1 decks7 decks
12%synergy
Inspired Ultimatum
14%inclusion1 decks7 decks
13%synergy
Shatterskull Smashing
14%inclusion1 decks7 decks
13%synergy
Cleansing Wildfire
14%inclusion1 decks7 decks
14%synergy
Lightning Javelin
14%inclusion1 decks7 decks
14%synergy
Fervent Mastery
14%inclusion1 decks7 decks
14%synergy
Approach of the Second Sun
14%inclusion1 decks7 decks
10%synergy
Grapeshot
14%inclusion1 decks7 decks
11%synergy
Devastation
14%inclusion1 decks7 decks
14%synergy
Clear the Mind
14%inclusion1 decks7 decks
14%synergy
Dismantling Wave
14%inclusion1 decks7 decks
10%synergy
Damning Verdict
14%inclusion1 decks7 decks
12%synergy
One with the Machine
14%inclusion1 decks7 decks
11%synergy
Jokulhaups
14%inclusion1 decks7 decks
14%synergy
Spectacular Pileup
14%inclusion1 decks7 decks
13%synergy
Mana Geyser
14%inclusion1 decks7 decks
9%synergy
Fumigate
14%inclusion1 decks7 decks
12%synergy
Start Your Engines
14%inclusion1 decks7 decks
14%synergy
Skewer the Critics
14%inclusion1 decks7 decks
14%synergy
Overpowering Attack
14%inclusion1 decks7 decks
13%synergy
Magic Missile
14%inclusion1 decks7 decks
14%synergy
Utility Artifacts
Mobilizer Mech
29%inclusion2 decks7 decks
28%synergy
Prodigy's Prototype
29%inclusion2 decks7 decks
28%synergy
Swiftfoot Boots
29%inclusion2 decks7 decks
4%synergy
Shorikai, Genesis Engine
29%inclusion2 decks7 decks
25%synergy
Mycosynth Lattice
29%inclusion2 decks7 decks
28%synergy
World Map
20%inclusion1 decks5 decks
20%synergy
Unwinding Clock
14%inclusion1 decks7 decks
9%synergy
Treasure Chest
14%inclusion1 decks7 decks
14%synergy
Javelin of Lightning
14%inclusion1 decks7 decks
14%synergy
Dynavolt Tower
14%inclusion1 decks7 decks
14%synergy
Aetherflux Reservoir
14%inclusion1 decks7 decks
11%synergy
Trading Post
14%inclusion1 decks7 decks
14%synergy
Transmutation Font
14%inclusion1 decks7 decks
14%synergy
Fabrication Module
14%inclusion1 decks7 decks
12%synergy
Mysterious Tome
14%inclusion1 decks7 decks
14%synergy
Assault Suit
14%inclusion1 decks7 decks
13%synergy
Lifecraft Engine
14%inclusion1 decks7 decks
14%synergy
Simulacrum Synthesizer
14%inclusion1 decks7 decks
12%synergy
The Ozolith
14%inclusion1 decks7 decks
12%synergy
Decoction Module
14%inclusion1 decks7 decks
7%synergy
Mizzium Tank
14%inclusion1 decks7 decks
14%synergy
Sculpting Steel
14%inclusion1 decks7 decks
12%synergy
Fleetwheel Cruiser
14%inclusion1 decks7 decks
14%synergy
Helm of the Host
14%inclusion1 decks7 decks
9%synergy
Gastal Thrillroller
14%inclusion1 decks7 decks
14%synergy
Shadowspear
14%inclusion1 decks7 decks
10%synergy
Darksteel Forge
14%inclusion1 decks7 decks
13%synergy
Mindslaver
14%inclusion1 decks7 decks
14%synergy
Urza's Blueprints
14%inclusion1 decks7 decks
14%synergy
Andúril, Narsil Reforged
14%inclusion1 decks7 decks
13%synergy
Knowledge Pool
14%inclusion1 decks7 decks
14%synergy
Argentum Armor
14%inclusion1 decks7 decks
11%synergy
Detective's Satchel
14%inclusion1 decks7 decks
14%synergy
Guidelight Pathmaker
14%inclusion1 decks7 decks
14%synergy
The Everflowing Well
14%inclusion1 decks7 decks
12%synergy
Angel's Feather
14%inclusion1 decks7 decks
14%synergy
Ashnod's Altar
14%inclusion1 decks7 decks
13%synergy
Cauldron of Souls
14%inclusion1 decks7 decks
14%synergy
Automated Assembly Line
14%inclusion1 decks7 decks
8%synergy
Wizard's Spellbook
14%inclusion1 decks7 decks
14%synergy
Salvation Engine
14%inclusion1 decks7 decks
13%synergy
Colossus Hammer
14%inclusion1 decks7 decks
10%synergy
Wand of Wonder
14%inclusion1 decks7 decks
13%synergy
Clay-Fired Bricks
14%inclusion1 decks7 decks
13%synergy
Mystic Forge
14%inclusion1 decks7 decks
9%synergy
Excalibur, Sword of Eden
14%inclusion1 decks7 decks
9%synergy
Hulldrifter
14%inclusion1 decks7 decks
14%synergy
Animation Module
14%inclusion1 decks7 decks
14%synergy
Winter Moon
14%inclusion1 decks7 decks
14%synergy
Surgehacker Mech
14%inclusion1 decks7 decks
14%synergy
Enchantments
All Will Be One
29%inclusion2 decks7 decks
24%synergy
Together Forever
29%inclusion2 decks7 decks
28%synergy
Case of the Filched Falcon
14%inclusion1 decks7 decks
14%synergy
Mystic Remora
14%inclusion1 decks7 decks
2%synergy
Armed with Proof
14%inclusion1 decks7 decks
14%synergy
Unstoppable Plan
14%inclusion1 decks7 decks
12%synergy
Possibility Storm
14%inclusion1 decks7 decks
13%synergy
Goblin Bombardment
14%inclusion1 decks7 decks
13%synergy
Abiding Grace
14%inclusion1 decks7 decks
14%synergy
Intruder Alarm
14%inclusion1 decks7 decks
13%synergy
Whirlwind of Thought
14%inclusion1 decks7 decks
-11%synergy
Artificer Class
14%inclusion1 decks7 decks
13%synergy
Jeskai Ascendancy
14%inclusion1 decks7 decks
-1%synergy
Planeswalkers
Saheeli Rai
29%inclusion2 decks7 decks
28%synergy
Daretti, Scrap Savant
29%inclusion2 decks7 decks
26%synergy
Chandra, Torch of Defiance
14%inclusion1 decks7 decks
10%synergy
Chandra, Spark Hunter
14%inclusion1 decks7 decks
14%synergy
Karn, the Great Creator
14%inclusion1 decks7 decks
13%synergy
Teferi, Time Raveler
14%inclusion1 decks7 decks
8%synergy
Narset of the Ancient Way
14%inclusion1 decks7 decks
8%synergy
Ral, Crackling Wit
14%inclusion1 decks7 decks
10%synergy
Ajani Steadfast
14%inclusion1 decks7 decks
12%synergy
Utility Lands
Reliquary Tower
43%inclusion3 decks7 decks
9%synergy
Temple of the False God
29%inclusion2 decks7 decks
23%synergy
Urza's Power Plant
29%inclusion2 decks7 decks
28%synergy
Urza's Workshop
29%inclusion2 decks7 decks
28%synergy
Urza's Tower
29%inclusion2 decks7 decks
28%synergy
Urza's Mine
29%inclusion2 decks7 decks
28%synergy
Calciform Pools
14%inclusion1 decks7 decks
14%synergy
Trenchpost
14%inclusion1 decks7 decks
14%synergy
Glimmerpost
14%inclusion1 decks7 decks
14%synergy
The Surgical Bay
14%inclusion1 decks7 decks
14%synergy
Ancient Den
14%inclusion1 decks7 decks
3%synergy
Seat of the Synod
14%inclusion1 decks7 decks
2%synergy
The Fair Basilica
14%inclusion1 decks7 decks
14%synergy
The Autonomous Furnace
14%inclusion1 decks7 decks
14%synergy
The Monumental Facade
14%inclusion1 decks7 decks
14%synergy
Kher Keep
14%inclusion1 decks7 decks
12%synergy
Springjack Pasture
14%inclusion1 decks7 decks
14%synergy
Academy Ruins
14%inclusion1 decks7 decks
7%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-6%synergy
Great Furnace
14%inclusion1 decks7 decks
3%synergy
Cloudpost
14%inclusion1 decks7 decks
14%synergy
Amonkhet Raceway
14%inclusion1 decks7 decks
14%synergy
Mana Artifacts
Sol Ring
71%inclusion5 decks7 decks
-18%synergy
Arcane Signet
71%inclusion5 decks7 decks
-17%synergy
Thran Dynamo
43%inclusion3 decks7 decks
40%synergy
Azorius Signet
29%inclusion2 decks7 decks
-5%synergy
Commander's Sphere
29%inclusion2 decks7 decks
15%synergy
Izzet Signet
29%inclusion2 decks7 decks
-5%synergy
Boros Signet
29%inclusion2 decks7 decks
-2%synergy
Talisman of Creativity
14%inclusion1 decks7 decks
-29%synergy
Astral Cornucopia
14%inclusion1 decks7 decks
9%synergy
Sky Diamond
14%inclusion1 decks7 decks
13%synergy
Talisman of Conviction
14%inclusion1 decks7 decks
-30%synergy
Fellwar Stone
14%inclusion1 decks7 decks
-18%synergy
Firemind Vessel
14%inclusion1 decks7 decks
14%synergy
Jeskai Banner
14%inclusion1 decks7 decks
12%synergy
Glittering Stockpile
14%inclusion1 decks7 decks
14%synergy
Chromatic Lantern
14%inclusion1 decks7 decks
5%synergy
Vexing Puzzlebox
14%inclusion1 decks7 decks
14%synergy
Fire Diamond
14%inclusion1 decks7 decks
13%synergy
Starting Column
14%inclusion1 decks7 decks
14%synergy
Talisman of Progress
14%inclusion1 decks7 decks
-31%synergy
Pristine Talisman
14%inclusion1 decks7 decks
14%synergy
Marble Diamond
14%inclusion1 decks7 decks
13%synergy
Thought Vessel
14%inclusion1 decks7 decks
-10%synergy
Gilded Lotus
14%inclusion1 decks7 decks
12%synergy
Stonespeaker Crystal
14%inclusion1 decks7 decks
14%synergy
Raugrin Crystal
14%inclusion1 decks7 decks
11%synergy
Worn Powerstone
14%inclusion1 decks7 decks
13%synergy
Crystal Skull, Isu Spyglass
14%inclusion1 decks7 decks
13%synergy
Midnight Clock
14%inclusion1 decks7 decks
10%synergy
Mind Stone
14%inclusion1 decks7 decks
1%synergy
Boommobile
14%inclusion1 decks7 decks
14%synergy
Lands
Mountain
100%inclusion7 decks7 decks
6%synergy
Island
100%inclusion7 decks7 decks
4%synergy
Plains
100%inclusion7 decks7 decks
5%synergy
Command Tower
86%inclusion6 decks7 decks
-7%synergy
Exotic Orchard
57%inclusion4 decks7 decks
-4%synergy
Battlefield Forge
43%inclusion3 decks7 decks
1%synergy
Mystic Monastery
43%inclusion3 decks7 decks
-16%synergy
Shivan Reef
29%inclusion2 decks7 decks
-12%synergy
Stormcarved Coast
29%inclusion2 decks7 decks
6%synergy
Sulfur Falls
29%inclusion2 decks7 decks
-23%synergy
Boros Garrison
29%inclusion2 decks7 decks
19%synergy
Clifftop Retreat
29%inclusion2 decks7 decks
-21%synergy
Deserted Beach
29%inclusion2 decks7 decks
6%synergy
Izzet Boilerworks
29%inclusion2 decks7 decks
16%synergy
Glacial Fortress
29%inclusion2 decks7 decks
-25%synergy
Terramorphic Expanse
29%inclusion2 decks7 decks
11%synergy
Evolving Wilds
29%inclusion2 decks7 decks
1%synergy
Witch Enchanter
14%inclusion1 decks7 decks
7%synergy
Bant Panorama
14%inclusion1 decks7 decks
14%synergy
Boreal Shelf
14%inclusion1 decks7 decks
14%synergy
Scabland
14%inclusion1 decks7 decks
14%synergy
Mirrex
14%inclusion1 decks7 decks
14%synergy
Thalakos Lowlands
14%inclusion1 decks7 decks
14%synergy
Sejiri Refuge
14%inclusion1 decks7 decks
13%synergy
Wind-Scarred Crag
14%inclusion1 decks7 decks
7%synergy
Sink into Stupor
14%inclusion1 decks7 decks
5%synergy
Caldera Lake
14%inclusion1 decks7 decks
14%synergy
Raugrin Triome
14%inclusion1 decks7 decks
-23%synergy
Sundering Eruption
14%inclusion1 decks7 decks
11%synergy
Mirrodin's Core
14%inclusion1 decks7 decks
14%synergy
Coastal Tower
14%inclusion1 decks7 decks
14%synergy
Ondu Inversion
14%inclusion1 decks7 decks
13%synergy
The Seedcore
14%inclusion1 decks7 decks
14%synergy
Myriad Landscape
14%inclusion1 decks7 decks
3%synergy
Sea of Clouds
14%inclusion1 decks7 decks
-17%synergy
Skycloud Expanse
14%inclusion1 decks7 decks
-8%synergy
Shatterskull Smashing
14%inclusion1 decks7 decks
13%synergy
Temple of Epiphany
14%inclusion1 decks7 decks
-13%synergy
Cloudcrest Lake
14%inclusion1 decks7 decks
14%synergy
Sunbillow Verge
14%inclusion1 decks7 decks
6%synergy
Wanderwine Hub
14%inclusion1 decks7 decks
14%synergy
Adarkar Wastes
14%inclusion1 decks7 decks
-20%synergy
Perilous Landscape
14%inclusion1 decks7 decks
-5%synergy
Fiery Islet
14%inclusion1 decks7 decks
8%synergy
Base Camp
14%inclusion1 decks7 decks
14%synergy
Riverpyre Verge
14%inclusion1 decks7 decks
6%synergy
Hydroelectric Specimen
14%inclusion1 decks7 decks
11%synergy
Sundown Pass
14%inclusion1 decks7 decks
-5%synergy
Ancient Amphitheater
14%inclusion1 decks7 decks
14%synergy
Flood Plain
14%inclusion1 decks7 decks
13%synergy