Etrata, the Silencer
Roaming Throne
Strionic Resonator

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Etrata without summoning sickness on the battlefield and Roaming Throne with "Vampire" or "Assassin" chosen on the battlefield).
An opponent controls three nontoken creatures that they own and that are not commanders.
2 available

   Steps

How does this combo work?
1
Deal combat damage to an opponent using Etrata, triggering its ability twice due to Roaming Throne.
2
Holding priority, activate Strionic Resonator by paying 2 and tapping it, copying either of Etrata's triggers.
3
Resolve all Etrata triggers, exiling three creatures an opponent controls and putting hit counters on them, and then causing that opponent to lose the game.

   Results

What do I get from this combo?
Target opponent loses the game
Fire Lord Azula
0.0%inclusion1 decks14.7K decks
Top Commanders
Etrata, the Silencer
24%inclusion391 decks1.63K decks
Etrata, Deadly Fugitive
0.6%inclusion21 decks3.52K decks
Rilsa Rael, Kingpin
0.6%inclusion7 decks1.25K decks
Ezio Auditore da Firenze
0.0%inclusion6 decks16.6K decks
Ramses, Assassin Lord
0.2%inclusion5 decks2.12K decks
Felix Five-Boots
0.0%inclusion3 decks6.32K decks
The Celestial Toymaker
0.1%inclusion2 decks2.94K decks
Evelyn, the Covetous
0.1%inclusion2 decks3.85K decks
Ezio, Blade of Vengeance
0.2%inclusion2 decks858 decks
Safana, Calimport Cutthroat // Dungeon Delver
0.2%inclusion2 decks1.10K decks
Mirko Vosk, Mind Drinker
0.2%inclusion2 decks1.26K decks
Cormela, Glamour Thief
0.0%inclusion1 decks2.88K decks
Jon Irenicus, Shattered One
0.0%inclusion1 decks9.95K decks
Sisay, Weatherlight Captain
0.0%inclusion1 decks15.8K decks
Vren, the Relentless
0.0%inclusion1 decks9.84K decks
Atraxa, Praetors' Voice
0.0%inclusion1 decks38.6K decks
Gríma, Saruman's Footman
0.1%inclusion1 decks686 decks
New Cards
Avatar Roku, Firebender
50%inclusion1 decks2 decks
48%synergy
Firebender Ascension
50%inclusion1 decks2 decks
46%synergy
Firebending Student
50%inclusion1 decks2 decks
47%synergy
Ozai, the Phoenix King
50%inclusion1 decks2 decks
45%synergy
Sozin's Comet
50%inclusion1 decks2 decks
47%synergy
High Synergy Cards
Mari, the Killing Quill
89%inclusion406 decks458 decks
87%synergy
Ramses, Assassin Lord
85%inclusion391 decks458 decks
84%synergy
Ravenloft Adventurer
80%inclusion365 decks458 decks
79%synergy
Spark Double
74%inclusion339 decks458 decks
68%synergy
Queen Marchesa
71%inclusion5 decks7 decks
67%synergy
Helm of the Host
70%inclusion320 decks458 decks
67%synergy
Slip Out the Back
69%inclusion315 decks458 decks
66%synergy
Sakashima of a Thousand Faces
66%inclusion304 decks458 decks
64%synergy
Lithoform Engine
64%inclusion292 decks458 decks
63%synergy
Vesuvan Duplimancy
63%inclusion287 decks458 decks
62%synergy
Top Cards
Swiftfoot Boots
81%inclusion373 decks458 decks
54%synergy
Counterspell
73%inclusion333 decks458 decks
31%synergy
Essence Flux
64%inclusion291 decks458 decks
61%synergy
Irenicus's Vile Duplication
64%inclusion291 decks458 decks
60%synergy
Vanishing
60%inclusion277 decks458 decks
60%synergy
Auton Soldier
58%inclusion265 decks458 decks
56%synergy
Olivia, Opulent Outlaw
57%inclusion4 decks7 decks
54%synergy
Sakashima the Impostor
57%inclusion259 decks458 decks
55%synergy
Teferi's Time Twist
56%inclusion255 decks458 decks
54%synergy
Crashing Drawbridge
55%inclusion252 decks458 decks
53%synergy
Game Changers
Demonic Tutor
48%inclusion221 decks458 decks
29%synergy
Rhystic Study
44%inclusion202 decks458 decks
20%synergy
Cyclonic Rift
34%inclusion158 decks458 decks
11%synergy
Vampiric Tutor
34%inclusion156 decks458 decks
19%synergy
Fierce Guardianship
27%inclusion125 decks458 decks
9%synergy
Notion Thief
23%inclusion104 decks458 decks
17%synergy
Mystical Tutor
15%inclusion67 decks458 decks
2%synergy
Ancient Tomb
11%inclusion50 decks458 decks
1%synergy
Force of Will
11%inclusion50 decks458 decks
1%synergy
Opposition Agent
7.6%inclusion35 decks458 decks
2%synergy
Creatures
Adric, Mathematical Genius
50%inclusion229 decks458 decks
50%synergy
Zuko, Firebending Master
50%inclusion1 decks2 decks
48%synergy
Baleful Strix
48%inclusion221 decks458 decks
35%synergy
Xira, the Golden Sting
43%inclusion3 decks7 decks
42%synergy
Altaïr Ibn-La'Ahad
43%inclusion3 decks7 decks
41%synergy
Dour Port-Mage
42%inclusion144 decks339 decks
40%synergy
Gogo, Master of Mimicry
42%inclusion70 decks168 decks
40%synergy
Vodalian Illusionist
35%inclusion159 decks458 decks
35%synergy
Arno Dorian
33%inclusion4 decks12 decks
32%synergy
Shay Cormac
33%inclusion3 decks9 decks
31%synergy
Realmwalker
33%inclusion4 decks12 decks
29%synergy
Deadeye Navigator
32%inclusion145 decks458 decks
29%synergy
Thraximundar
31%inclusion4 decks13 decks
30%synergy
Solemn Simulacrum
31%inclusion140 decks458 decks
18%synergy
Vraska, the Silencer
27%inclusion3 decks11 decks
26%synergy
Unsettled Mariner
27%inclusion3 decks11 decks
26%synergy
Twinblade Assassins
25%inclusion3 decks12 decks
25%synergy
Edward Kenway
25%inclusion3 decks12 decks
23%synergy
Laughing Jasper Flint
25%inclusion3 decks12 decks
23%synergy
Birds of Paradise
25%inclusion3 decks12 decks
-3%synergy
Ezio, Blade of Vengeance
23%inclusion95 decks410 decks
22%synergy
Clever Impersonator
23%inclusion105 decks458 decks
21%synergy
Identity Thief
22%inclusion103 decks458 decks
22%synergy
Royal Assassin
21%inclusion97 decks458 decks
20%synergy
Cephalid Facetaker
19%inclusion88 decks458 decks
19%synergy
Ninja of the Deep Hours
19%inclusion87 decks458 decks
18%synergy
Mistblade Shinobi
18%inclusion84 decks458 decks
17%synergy
Unstoppable Slasher
18%inclusion56 decks308 decks
16%synergy
Loyal Inventor
18%inclusion63 decks349 decks
17%synergy
Massacre Girl, Known Killer
18%inclusion77 decks436 decks
16%synergy
Chameleon, Master of Disguise
16%inclusion16 decks98 decks
14%synergy
Vedalken Mastermind
16%inclusion73 decks458 decks
16%synergy
Phyrexian Metamorph
16%inclusion72 decks458 decks
8%synergy
Callidus Assassin
16%inclusion71 decks458 decks
14%synergy
Glasspool Mimic
15%inclusion70 decks458 decks
13%synergy
Stunt Double
15%inclusion68 decks458 decks
14%synergy
Sakashima's Student
15%inclusion68 decks458 decks
14%synergy
Ingenious Infiltrator
15%inclusion68 decks458 decks
13%synergy
Etrata, Deadly Fugitive
14%inclusion63 decks436 decks
14%synergy
Massacre Girl
13%inclusion60 decks458 decks
11%synergy
Prosperous Thief
12%inclusion57 decks458 decks
11%synergy
Changeling Outcast
11%inclusion52 decks458 decks
7%synergy
Achilles Davenport
11%inclusion39 decks350 decks
10%synergy
Satoru Umezawa
11%inclusion50 decks458 decks
10%synergy
Thousand-Faced Shadow
10%inclusion48 decks458 decks
9%synergy
Zenos yae Galvus
10%inclusion18 decks173 decks
10%synergy
Clone
9.2%inclusion42 decks458 decks
8%synergy
Dimir Infiltrator
9.0%inclusion41 decks458 decks
8%synergy
Hired Poisoner
8.5%inclusion39 decks458 decks
8%synergy
Termination Facilitator
8.3%inclusion38 decks458 decks
8%synergy
Instants
Planar Incision
53%inclusion245 decks458 decks
52%synergy
The Last Agni Kai
50%inclusion1 decks2 decks
46%synergy
Ghostly Flicker
47%inclusion214 decks458 decks
42%synergy
Snap
46%inclusion211 decks458 decks
38%synergy
Swords to Plowshares
45%inclusion5 decks11 decks
-16%synergy
Negate
45%inclusion208 decks458 decks
24%synergy
Escape Detection
43%inclusion152 decks350 decks
43%synergy
Dark Ritual
41%inclusion187 decks458 decks
17%synergy
Unsummon
38%inclusion174 decks458 decks
37%synergy
Flawless Maneuver
36%inclusion4 decks11 decks
26%synergy
Reality Ripple
36%inclusion165 decks458 decks
36%synergy
Brainstorm
35%inclusion160 decks458 decks
16%synergy
Mana Drain
33%inclusion153 decks458 decks
19%synergy
Blur
33%inclusion149 decks458 decks
31%synergy
Chaos Warp
31%inclusion4 decks13 decks
1%synergy
An Offer You Can't Refuse
30%inclusion137 decks458 decks
6%synergy
Displace
30%inclusion136 decks458 decks
28%synergy
Arcane Denial
27%inclusion124 decks458 decks
7%synergy
Geistwave
27%inclusion122 decks458 decks
26%synergy
Go for the Throat
26%inclusion117 decks458 decks
19%synergy
Tamiyo's Safekeeping
25%inclusion3 decks12 decks
19%synergy
Assassin's Trophy
25%inclusion3 decks12 decks
-5%synergy
Heroic Intervention
25%inclusion3 decks12 decks
-5%synergy
Swan Song
23%inclusion105 decks458 decks
6%synergy
Tyrant's Scorn
21%inclusion95 decks458 decks
20%synergy
Infernal Grasp
17%inclusion78 decks458 decks
10%synergy
Run Away Together
17%inclusion76 decks458 decks
15%synergy
Aetherize
16%inclusion75 decks458 decks
10%synergy
Withering Torment
16%inclusion49 decks306 decks
8%synergy
Countersquall
16%inclusion72 decks458 decks
14%synergy
March of Swirling Mist
15%inclusion70 decks458 decks
13%synergy
Deadly Rollick
14%inclusion65 decks458 decks
1%synergy
Siren's Ruse
14%inclusion62 decks458 decks
13%synergy
Rescue
12%inclusion53 decks458 decks
11%synergy
Pongify
12%inclusion53 decks458 decks
0%synergy
Hide on the Ceiling
11%inclusion11 decks97 decks
10%synergy
Muddle the Mixture
10%inclusion47 decks458 decks
6%synergy
Fell the Profane
9.4%inclusion34 decks360 decks
1%synergy
Sink into Stupor
8.9%inclusion32 decks360 decks
-1%synergy
Supplant Form
8.1%inclusion37 decks458 decks
8%synergy
Murder
7.9%inclusion36 decks458 decks
4%synergy
Force of Negation
7.9%inclusion36 decks458 decks
0%synergy
Drown in the Loch
7.6%inclusion35 decks458 decks
3%synergy
Waterlogged Teachings
7.5%inclusion27 decks360 decks
3%synergy
Clutch of the Undercity
7.4%inclusion34 decks458 decks
7%synergy
Ephara's Dispersal
7.4%inclusion34 decks458 decks
7%synergy
Bitter Triumph
7.2%inclusion33 decks458 decks
4%synergy
Perplex
6.1%inclusion28 decks458 decks
5%synergy
Frantic Search
6.1%inclusion28 decks458 decks
-8%synergy
Curfew
5.7%inclusion26 decks458 decks
6%synergy
Sorceries
Nanogene Conversion
55%inclusion251 decks458 decks
54%synergy
Blasphemous Act
46%inclusion6 decks13 decks
13%synergy
Quantum Misalignment
46%inclusion210 decks458 decks
44%synergy
Feed the Swarm
42%inclusion191 decks458 decks
25%synergy
Rampant Growth
42%inclusion5 decks12 decks
8%synergy
Cultivate
42%inclusion5 decks12 decks
-1%synergy
Viewpoint Synchronization
40%inclusion4 decks10 decks
39%synergy
Three Visits
33%inclusion4 decks12 decks
9%synergy
Farseek
33%inclusion4 decks12 decks
-2%synergy
Toxic Deluge
31%inclusion144 decks458 decks
13%synergy
Diabolic Tutor
28%inclusion127 decks458 decks
22%synergy
Damnation
26%inclusion120 decks458 decks
19%synergy
Nature's Lore
25%inclusion3 decks12 decks
-7%synergy
Eagle Vision
25%inclusion87 decks350 decks
24%synergy
Ponder
24%inclusion108 decks458 decks
12%synergy
Vandalblast
23%inclusion3 decks13 decks
7%synergy
Fabricate
21%inclusion96 decks458 decks
15%synergy
Grim Tutor
19%inclusion87 decks458 decks
15%synergy
Sign in Blood
18%inclusion83 decks458 decks
9%synergy
Ringsight
16%inclusion72 decks458 decks
13%synergy
Night's Whisper
12%inclusion56 decks458 decks
3%synergy
Rite of Replication
10%inclusion45 decks458 decks
7%synergy
Preordain
10%inclusion45 decks458 decks
0%synergy
Beseech the Mirror
8.3%inclusion38 decks458 decks
5%synergy
Windfall
8.1%inclusion37 decks458 decks
-4%synergy
Read the Bones
7.9%inclusion36 decks458 decks
2%synergy
Reanimate
7.9%inclusion36 decks458 decks
-11%synergy
Profane Tutor
6.8%inclusion31 decks458 decks
5%synergy
Fell
6.4%inclusion22 decks342 decks
5%synergy
Sakashima's Will
6.3%inclusion29 decks458 decks
6%synergy
Imperial Seal
6.1%inclusion28 decks458 decks
1%synergy
Back in Town
5.6%inclusion22 decks390 decks
5%synergy
Scheming Symmetry
5.5%inclusion25 decks458 decks
4%synergy
Restart Sequence
5.4%inclusion19 decks350 decks
5%synergy
Dark Petition
5.2%inclusion24 decks458 decks
4%synergy
Utility Artifacts
Lightning Greaves
55%inclusion251 decks458 decks
30%synergy
Mirror Box
44%inclusion203 decks458 decks
43%synergy
Blade of Selves
44%inclusion202 decks458 decks
43%synergy
Crystal Shard
40%inclusion182 decks458 decks
39%synergy
Vorpal Sword
36%inclusion164 decks458 decks
35%synergy
Lavaspur Boots
31%inclusion123 decks392 decks
30%synergy
Peter Parker's Camera
23%inclusion23 decks99 decks
22%synergy
Sword of Hearth and Home
22%inclusion101 decks458 decks
20%synergy
Portal of Sanctuary
20%inclusion93 decks458 decks
20%synergy
Mirror Gallery
19%inclusion85 decks458 decks
18%synergy
Bident of Thassa
15%inclusion68 decks458 decks
9%synergy
Sapphire Medallion
14%inclusion65 decks458 decks
11%synergy
Erratic Portal
10%inclusion47 decks458 decks
10%synergy
Isochron Scepter
10%inclusion45 decks458 decks
8%synergy
Wayfarer's Bauble
10%inclusion44 decks458 decks
2%synergy
Netherborn Altar
9.0%inclusion41 decks458 decks
9%synergy
Fireshrieker
8.5%inclusion39 decks458 decks
7%synergy
Mirage Mirror
8.1%inclusion37 decks458 decks
7%synergy
Quietus Spike
7.9%inclusion36 decks458 decks
7%synergy
Whispersilk Cloak
7.4%inclusion34 decks458 decks
4%synergy
Dowsing Dagger
7.2%inclusion33 decks458 decks
6%synergy
Sword of the Animist
6.3%inclusion29 decks458 decks
2%synergy
The One Ring
5.7%inclusion26 decks458 decks
-3%synergy
Wishclaw Talisman
5.5%inclusion25 decks458 decks
0%synergy
Brotherhood Regalia
5.1%inclusion18 decks350 decks
3%synergy
Jet Medallion
5.0%inclusion23 decks458 decks
1%synergy
Enchantments
Propaganda
50%inclusion228 decks458 decks
36%synergy
Candlekeep Sage
40%inclusion182 decks458 decks
39%synergy
Fated Firepower
33%inclusion1 decks3 decks
32%synergy
Reconnaissance Mission
28%inclusion126 decks458 decks
24%synergy
Vraska Joins Up
27%inclusion3 decks11 decks
24%synergy
Phyrexian Arena
23%inclusion105 decks458 decks
7%synergy
Impostor Syndrome
22%inclusion22 decks99 decks
20%synergy
Black Market Connections
22%inclusion99 decks458 decks
10%synergy
Mystic Remora
20%inclusion91 decks458 decks
3%synergy
Rooftop Bypass
11%inclusion40 decks350 decks
10%synergy
Virtue of Knowledge
11%inclusion52 decks458 decks
10%synergy
Double Down
10%inclusion41 decks392 decks
10%synergy
Gossip's Talent
9.1%inclusion31 decks339 decks
8%synergy
Leyline of Anticipation
8.5%inclusion39 decks458 decks
5%synergy
Coastal Piracy
8.1%inclusion37 decks458 decks
6%synergy
Rogue Class
7.9%inclusion36 decks458 decks
6%synergy
Cover of Darkness
6.8%inclusion31 decks458 decks
5%synergy
Seal of Removal
5.5%inclusion25 decks458 decks
5%synergy
Mirror Room // Fractured Realm
5.2%inclusion16 decks309 decks
4%synergy
Planeswalkers
Kaito, Dancing Shadow
49%inclusion223 decks458 decks
48%synergy
Kaito Shizuki
5.5%inclusion25 decks458 decks
4%synergy
Utility Lands
Reliquary Tower
49%inclusion224 decks458 decks
19%synergy
Sanctum of Eternity
48%inclusion219 decks458 decks
47%synergy
Command Beacon
45%inclusion208 decks458 decks
41%synergy
Bojuka Bog
42%inclusion192 decks458 decks
12%synergy
Otawara, Soaring City
28%inclusion126 decks458 decks
11%synergy
Rogue's Passage
27%inclusion123 decks458 decks
6%synergy
Mystic Sanctuary
26%inclusion121 decks458 decks
16%synergy
Urborg, Tomb of Yawgmoth
25%inclusion115 decks458 decks
16%synergy
Hall of the Bandit Lord
20%inclusion91 decks458 decks
19%synergy
Arcane Lighthouse
19%inclusion88 decks458 decks
18%synergy
Cabal Coffers
12%inclusion57 decks458 decks
3%synergy
Takenuma, Abandoned Mire
11%inclusion50 decks458 decks
2%synergy
Temple of the False God
11%inclusion50 decks458 decks
2%synergy
Mistrise Village
8.8%inclusion19 decks216 decks
1%synergy
Detection Tower
8.7%inclusion40 decks458 decks
8%synergy
Creeping Tar Pit
8.1%inclusion37 decks458 decks
6%synergy
Academy Ruins
7.9%inclusion36 decks458 decks
3%synergy
Access Tunnel
7.4%inclusion34 decks458 decks
5%synergy
Buried Ruin
7.2%inclusion33 decks458 decks
2%synergy
Restless Reef
5.7%inclusion26 decks458 decks
4%synergy
Urza's Saga
5.7%inclusion26 decks458 decks
-1%synergy
Amonkhet Raceway
5.2%inclusion13 decks248 decks
4%synergy
Halimar Depths
5.2%inclusion24 decks458 decks
3%synergy
Mana Artifacts
Sol Ring
94%inclusion432 decks458 decks
11%synergy
Arcane Signet
89%inclusion409 decks458 decks
17%synergy
Dimir Signet
65%inclusion296 decks458 decks
39%synergy
Talisman of Dominance
60%inclusion273 decks458 decks
27%synergy
Fellwar Stone
30%inclusion137 decks458 decks
9%synergy
Thought Vessel
29%inclusion135 decks458 decks
12%synergy
Mind Stone
27%inclusion124 decks458 decks
12%synergy
Rakdos Signet
23%inclusion3 decks13 decks
-3%synergy
Commander's Sphere
17%inclusion77 decks458 decks
4%synergy
Midnight Clock
7.6%inclusion35 decks458 decks
3%synergy
Sky Diamond
6.6%inclusion30 decks458 decks
3%synergy
Charcoal Diamond
5.5%inclusion25 decks458 decks
1%synergy
Chromatic Lantern
5.5%inclusion25 decks458 decks
-3%synergy
Lands
Command Tower
91%inclusion415 decks458 decks
16%synergy
Zagoth Triome
75%inclusion9 decks12 decks
47%synergy
Savai Triome
71%inclusion5 decks7 decks
47%synergy
Drowned Catacomb
69%inclusion317 decks458 decks
40%synergy
Watery Grave
66%inclusion304 decks458 decks
25%synergy
Sunken Hollow
64%inclusion295 decks458 decks
30%synergy
Raffine's Tower
64%inclusion7 decks11 decks
39%synergy
Xander's Lounge
62%inclusion8 decks13 decks
37%synergy
Morphic Pool
59%inclusion269 decks458 decks
34%synergy
Shipwreck Marsh
57%inclusion259 decks458 decks
38%synergy
Opulent Palace
50%inclusion6 decks12 decks
22%synergy
Overgrown Tomb
50%inclusion6 decks12 decks
10%synergy
Blood Crypt
46%inclusion6 decks13 decks
9%synergy
Ziatora's Proving Ground
43%inclusion3 decks7 decks
15%synergy
The World Tree
43%inclusion3 decks7 decks
14%synergy
Tainted Isle
40%inclusion185 decks458 decks
29%synergy
Dimir Aqueduct
40%inclusion184 decks458 decks
25%synergy
Choked Estuary
40%inclusion181 decks458 decks
24%synergy
Indatha Triome
38%inclusion3 decks8 decks
9%synergy
Temple of Deceit
36%inclusion167 decks458 decks
21%synergy
Vault of Champions
36%inclusion4 decks11 decks
12%synergy
Arcane Sanctum
36%inclusion4 decks11 decks
8%synergy
Isolated Chapel
36%inclusion4 decks11 decks
3%synergy
Hallowed Fountain
36%inclusion4 decks11 decks
-3%synergy
Godless Shrine
36%inclusion4 decks11 decks
-4%synergy
Polluted Delta
36%inclusion164 decks458 decks
24%synergy
Underground River
33%inclusion150 decks458 decks
10%synergy
Gloomlake Verge
29%inclusion90 decks308 decks
20%synergy
Clearwater Pathway
28%inclusion130 decks458 decks
20%synergy
Undercity Sewers
27%inclusion119 decks436 decks
16%synergy
Deserted Beach
27%inclusion3 decks11 decks
10%synergy
Sea of Clouds
27%inclusion3 decks11 decks
2%synergy
Glacial Fortress
27%inclusion3 decks11 decks
-5%synergy
Darkwater Catacombs
27%inclusion124 decks458 decks
12%synergy
Breeding Pool
25%inclusion3 decks12 decks
-16%synergy
Exotic Orchard
24%inclusion111 decks458 decks
-12%synergy
Badlands
23%inclusion3 decks13 decks
10%synergy
Volcanic Island
23%inclusion3 decks13 decks
9%synergy
Crumbling Necropolis
23%inclusion3 decks13 decks
-6%synergy
Underground Sea
21%inclusion96 decks458 decks
6%synergy
Sunken Ruins
21%inclusion95 decks458 decks
15%synergy
Path of Ancestry
19%inclusion85 decks458 decks
-3%synergy
Myriad Landscape
17%inclusion80 decks458 decks
1%synergy
Evolving Wilds
17%inclusion78 decks458 decks
-4%synergy
Darkslick Shores
15%inclusion68 decks458 decks
10%synergy
Brotherhood Headquarters
13%inclusion45 decks350 decks
12%synergy
Fetid Pools
11%inclusion51 decks458 decks
4%synergy
Cavern of Souls
9.4%inclusion43 decks458 decks
2%synergy
Terramorphic Expanse
9.4%inclusion43 decks458 decks
-6%synergy
Dismal Backwater
9.2%inclusion42 decks458 decks
3%synergy