Eirdu, Carrier of Dawn
Umbral Collar Zealot
Arcbound Prototype

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield).

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Arcbound Prototype.
2
When Arcbound Prototype dies, its modular ability and persist ability trigger.
3
Resolve the modular trigger, putting Arcbound Prototype's +1/+1 counters on another artifact creature.
4
Resolve the persist trigger, returning Arcbound Prototype from your graveyard to the battlefield. It will not have a -1/-1 counter on it due to its modular ability.
5
Resolve the Umbral Collar Zealot ability.
6
Repeat.

   Results

What do I get from this combo?
Infinite LTB
Infinite ETB
Infinite sacrifice triggers
Infinite death triggers
Infinite +1/+1 counters on certain creatures
Infinite surveil
Eirdu, Carrier of Dawn
0.8%inclusion38 decks4.78K decks
Felisa, Fang of Silverquill
0.1%inclusion1 decks1.28K decks
Nikara, Lair Scavenger // Yannik, Scavenging Sentinel
0.2%inclusion1 decks652 decks
Fire Lord Zuko
0.0%inclusion1 decks10.8K decks
Nethroi, Apex of Death
0.0%inclusion1 decks3.54K decks
High Synergy Cards
Viscera Seer
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80%synergy
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79%inclusion33 decks42 decks
67%synergy
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76%inclusion32 decks42 decks
67%synergy
Ashnod's Altar
71%inclusion30 decks42 decks
65%synergy
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69%inclusion29 decks42 decks
65%synergy
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64%inclusion27 decks42 decks
64%synergy
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69%inclusion29 decks42 decks
62%synergy
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62%synergy
Zulaport Cutthroat
67%inclusion28 decks42 decks
58%synergy
Marionette Apprentice
60%inclusion25 decks42 decks
55%synergy
Top Cards
Swords to Plowshares
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1%synergy
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55%inclusion23 decks42 decks
50%synergy
Dark Ritual
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30%synergy
Village Rites
52%inclusion22 decks42 decks
43%synergy
Path to Exile
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5%synergy
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50%inclusion21 decks42 decks
50%synergy
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50%synergy
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48%synergy
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48%inclusion20 decks42 decks
47%synergy
Deadly Dispute
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35%synergy
Game Changers
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9%synergy
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4%synergy
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12%synergy
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6%synergy
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6%synergy
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-1%synergy
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Creatures
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45%synergy
Arcbound Worker
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45%synergy
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44%synergy
Zack Fair
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41%synergy
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41%synergy
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34%synergy
Arcbound Stinger
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33%synergy
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26%synergy
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35%synergy
Arcbound Condor
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35%synergy
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33%synergy
Arcbound Ravager
33%inclusion14 decks42 decks
33%synergy
Grim Haruspex
31%inclusion13 decks42 decks
28%synergy
Luminous Broodmoth
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26%synergy
Warren Soultrader
26%inclusion11 decks42 decks
21%synergy
Witch Enchanter
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19%synergy
Arcbound Hybrid
24%inclusion10 decks42 decks
24%synergy
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23%synergy
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23%synergy
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23%synergy
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21%synergy
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21%synergy
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19%synergy
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15%synergy
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5%synergy
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21%synergy
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21%synergy
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21%synergy
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20%synergy
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19%synergy
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19%synergy
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19%synergy
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19%synergy
Elenda, the Dusk Rose
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14%synergy
Welcoming Vampire
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13%synergy
Bloodcrazed Paladin
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17%synergy
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15%synergy
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14%synergy
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14%synergy
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10%synergy
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9%synergy
The Duke, Rebel Sentry
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16%synergy
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14%synergy
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14%synergy
Arcbound Bruiser
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14%synergy
Selfless Police Captain
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14%synergy
Bloodflow Connoisseur
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14%synergy
Cartel Aristocrat
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14%synergy
Instants
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24%synergy
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4%synergy
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15%synergy
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11%synergy
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10%synergy
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6%synergy
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12%synergy
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7%synergy
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4%synergy
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9%synergy
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8%synergy
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7%synergy
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5%synergy
Deadly Rollick
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-2%synergy
Duty Beyond Death
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8%synergy
Mana Tithe
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8%synergy
Clever Concealment
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5%synergy
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4%synergy
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2%synergy
Generous Gift
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-11%synergy
Surge of Salvation
7.1%inclusion3 decks42 decks
6%synergy
Saw in Half
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3%synergy
Flawless Maneuver
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-3%synergy
Sorceries
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28%synergy
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30%synergy
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Damn
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19%synergy
Sign in Blood
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20%synergy
Reanimate
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4%synergy
Vindicate
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11%synergy
Diabolic Tutor
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9%synergy
Demonic Tutor
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-5%synergy
Profane Tutor
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10%synergy
Living Death
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4%synergy
Read the Bones
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4%synergy
Toxic Deluge
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-8%synergy
Rite of Oblivion
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5%synergy
Insatiable Avarice
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4%synergy
Agadeem's Awakening
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4%synergy
Grim Tutor
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3%synergy
Blasphemous Edict
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2%synergy
Exsanguinate
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-0%synergy
Feed the Swarm
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-9%synergy
Utility Artifacts
Phyrexian Altar
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37%synergy
Skullclamp
38%inclusion16 decks42 decks
27%synergy
Altar of Dementia
36%inclusion15 decks42 decks
34%synergy
Blasting Station
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33%synergy
Swiftfoot Boots
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-1%synergy
Spawning Pit
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16%synergy
Lightning Greaves
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-10%synergy
Grinding Station
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9%synergy
Altar of the Brood
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6%synergy
Pearl Medallion
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4%synergy
The Ozolith
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4%synergy
Jet Medallion
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3%synergy
Enchantments
Thran Vigil
31%inclusion13 decks42 decks
30%synergy
Solemnity
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30%synergy
Cathars' Crusade
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26%synergy
Phyrexian Arena
29%inclusion12 decks42 decks
14%synergy
The Meathook Massacre
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19%synergy
Fanatical Devotion
14%inclusion6 decks42 decks
14%synergy
Grave Pact
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10%synergy
Martyr's Cause
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12%synergy
Funeral Room // Awakening Hall
12%inclusion5 decks42 decks
10%synergy
Tocasia's Welcome
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8%synergy
Black Market Connections
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-3%synergy
Grave Venerations
9.1%inclusion3 decks33 decks
7%synergy
Sothera, the Supervoid
7.1%inclusion3 decks42 decks
6%synergy
Resourceful Defense
7.1%inclusion3 decks42 decks
5%synergy
Artifacts
Arcane Signet
86%inclusion36 decks42 decks
14%synergy
Sol Ring
83%inclusion35 decks42 decks
-0%synergy
Talisman of Hierarchy
69%inclusion29 decks42 decks
42%synergy
Orzhov Signet
62%inclusion26 decks42 decks
40%synergy
Phyrexian Altar
40%inclusion17 decks42 decks
37%synergy
Skullclamp
38%inclusion16 decks42 decks
27%synergy
Fellwar Stone
38%inclusion16 decks42 decks
18%synergy
Altar of Dementia
36%inclusion15 decks42 decks
34%synergy
Blasting Station
33%inclusion14 decks42 decks
33%synergy
Mind Stone
31%inclusion13 decks42 decks
17%synergy
Swiftfoot Boots
26%inclusion11 decks42 decks
-1%synergy
Spawning Pit
17%inclusion7 decks42 decks
16%synergy
Lotus Petal
17%inclusion7 decks42 decks
10%synergy
Thought Vessel
17%inclusion7 decks42 decks
-0%synergy
Lightning Greaves
14%inclusion6 decks42 decks
-10%synergy
Grinding Station
10%inclusion4 decks42 decks
9%synergy
Charcoal Diamond
10%inclusion4 decks42 decks
6%synergy
Altar of the Brood
7.1%inclusion3 decks42 decks
6%synergy
Crowded Crypt
7.1%inclusion3 decks42 decks
6%synergy
Pearl Medallion
7.1%inclusion3 decks42 decks
4%synergy
Marble Diamond
7.1%inclusion3 decks42 decks
4%synergy
The Ozolith
7.1%inclusion3 decks42 decks
4%synergy
Jet Medallion
7.1%inclusion3 decks42 decks
3%synergy
Mox Opal
7.1%inclusion3 decks42 decks
3%synergy
Utility Lands
Phyrexian Tower
26%inclusion11 decks42 decks
17%synergy
Bojuka Bog
24%inclusion10 decks42 decks
-6%synergy
High Market
14%inclusion6 decks42 decks
12%synergy
Urborg, Tomb of Yawgmoth
14%inclusion6 decks42 decks
5%synergy
Reliquary Tower
14%inclusion6 decks42 decks
-15%synergy
Takenuma, Abandoned Mire
12%inclusion5 decks42 decks
4%synergy
Abandoned Air Temple
11%inclusion4 decks37 decks
6%synergy
Westvale Abbey
10%inclusion4 decks42 decks
7%synergy
Nesting Grounds
10%inclusion4 decks42 decks
7%synergy
Susur Secundi, Void Altar
10%inclusion4 decks42 decks
7%synergy
Midgar, City of Mako
10%inclusion4 decks42 decks
6%synergy
Ancient Den
10%inclusion4 decks42 decks
4%synergy
Eiganjo, Seat of the Empire
10%inclusion4 decks42 decks
3%synergy
Castle Locthwain
7.1%inclusion3 decks42 decks
4%synergy
Vault of Whispers
7.1%inclusion3 decks42 decks
3%synergy
Buried Ruin
7.1%inclusion3 decks42 decks
2%synergy
Urza's Saga
7.1%inclusion3 decks42 decks
0%synergy
Mana Artifacts
Arcane Signet
86%inclusion36 decks42 decks
14%synergy
Sol Ring
83%inclusion35 decks42 decks
-0%synergy
Talisman of Hierarchy
69%inclusion29 decks42 decks
42%synergy
Orzhov Signet
62%inclusion26 decks42 decks
40%synergy
Fellwar Stone
38%inclusion16 decks42 decks
18%synergy
Mind Stone
31%inclusion13 decks42 decks
17%synergy
Lotus Petal
17%inclusion7 decks42 decks
10%synergy
Thought Vessel
17%inclusion7 decks42 decks
-0%synergy
Charcoal Diamond
10%inclusion4 decks42 decks
6%synergy
Crowded Crypt
7.1%inclusion3 decks42 decks
6%synergy
Marble Diamond
7.1%inclusion3 decks42 decks
4%synergy
Mox Opal
7.1%inclusion3 decks42 decks
3%synergy
Lands
Command Tower
83%inclusion35 decks42 decks
9%synergy
Caves of Koilos
81%inclusion34 decks42 decks
52%synergy
Isolated Chapel
71%inclusion30 decks42 decks
37%synergy
Godless Shrine
57%inclusion24 decks42 decks
15%synergy
Eclipsed Steppe
50%inclusion4 decks8 decks
44%synergy
Shattered Sanctum
50%inclusion21 decks42 decks
34%synergy
Fetid Heath
45%inclusion19 decks42 decks
31%synergy
Tainted Field
40%inclusion17 decks42 decks
28%synergy
Turbulent Moor
38%inclusion3 decks8 decks
32%synergy
Shineshadow Snarl
36%inclusion15 decks42 decks
23%synergy
Vault of Champions
36%inclusion15 decks42 decks
12%synergy
Brightclimb Pathway
33%inclusion14 decks42 decks
25%synergy
Temple of Silence
33%inclusion14 decks42 decks
17%synergy
Marsh Flats
31%inclusion13 decks42 decks
21%synergy
Orzhov Basilica
31%inclusion13 decks42 decks
17%synergy
Concealed Courtyard
29%inclusion12 decks42 decks
23%synergy
Desolate Mire
29%inclusion12 decks42 decks
22%synergy
Bleachbone Verge
29%inclusion12 decks42 decks
20%synergy
Shadowy Backstreet
29%inclusion12 decks42 decks
18%synergy
Silent Clearing
17%inclusion7 decks42 decks
12%synergy
Scrubland
17%inclusion7 decks42 decks
3%synergy
Myriad Landscape
14%inclusion6 decks42 decks
-0%synergy
Exotic Orchard
14%inclusion6 decks42 decks
-22%synergy
Scoured Barrens
12%inclusion5 decks42 decks
3%synergy
Evolving Wilds
12%inclusion5 decks42 decks
-8%synergy
Reflecting Pool
10%inclusion4 decks42 decks
4%synergy
Bloodstained Mire
10%inclusion4 decks42 decks
-2%synergy
Path of Ancestry
10%inclusion4 decks42 decks
-13%synergy
Snowfield Sinkhole
7.1%inclusion3 decks42 decks
5%synergy
Sunlit Marsh
7.1%inclusion3 decks42 decks
3%synergy
Polluted Delta
7.1%inclusion3 decks42 decks
-5%synergy
Terramorphic Expanse
7.1%inclusion3 decks42 decks
-8%synergy