Eirdu, Carrier of Dawn
Umbral Collar Zealot
Zack Fair

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield (Eirdu as Isilu, Carrier of Twilight on the battlefield and Zack Fair without a -1/-1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Umbral Collar Zealot by sacrificing Zack Fair.
2
When Zack Fair dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its replacement effect.
3
Resolve the Umbral Collar Zealot ability.
4
Repeat.

   Results

What do I get from this combo?
Infinite ETB
Infinite LTB
Infinite death triggers
Infinite sacrifice triggers
Infinite surveil
Ratadrabik of Urborg
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High Synergy Cards
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Corpse Knight
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Creatures
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Erode
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Enchantments
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Dictate of Erebos
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Planeswalkers
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High Market
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Phyrexian Tower
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Vault of the Archangel
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Susur Secundi, Void Altar
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Midgar, City of Mako
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Nesting Grounds
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Takenuma, Abandoned Mire
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Eiganjo, Seat of the Empire
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Urza's Saga
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Cabal Coffers
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Arcane Signet
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Talisman of Hierarchy
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Orzhov Signet
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Fellwar Stone
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Mind Stone
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Thought Vessel
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The Soul Stone
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Crowded Crypt
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Lotus Petal
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Lands
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Sulfurous Springs
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Blood Crypt
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Temple Garden
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Command Tower
91%inclusion669 decks732 decks
Isolated Chapel
79%inclusion575 decks732 decks
Caves of Koilos
73%inclusion531 decks732 decks
Fetid Heath
62%inclusion454 decks732 decks
Godless Shrine
60%inclusion436 decks732 decks
Tainted Field
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Shattered Sanctum
50%inclusion367 decks732 decks
Shineshadow Snarl
48%inclusion353 decks732 decks
Vault of Champions
40%inclusion292 decks732 decks
Bleachbone Verge
39%inclusion284 decks732 decks
Exotic Orchard
34%inclusion252 decks732 decks
Marsh Flats
33%inclusion241 decks732 decks
Temple of Silence
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Brightclimb Pathway
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Orzhov Basilica
31%inclusion226 decks732 decks
Desolate Mire
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Shadowy Backstreet
30%inclusion217 decks732 decks
Concealed Courtyard
20%inclusion145 decks732 decks
Silent Clearing
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Evolving Wilds
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Scrubland
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Scoured Barrens
13%inclusion92 decks732 decks
Sunlit Marsh
12%inclusion87 decks732 decks
Fabled Passage
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Myriad Landscape
10%inclusion76 decks732 decks
Terramorphic Expanse
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Flooded Strand
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Polluted Delta
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Bloodstained Mire
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Arid Mesa
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Path of Ancestry
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Verdant Catacombs
7.0%inclusion51 decks732 decks
Windswept Heath
6.3%inclusion46 decks732 decks
Prismatic Vista
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City of Brass
6.0%inclusion44 decks732 decks
Demolition Field
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Orzhov Guildgate
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Mana Confluence
5.1%inclusion37 decks732 decks