Avacyn's Collar + Ashnod's Altar + Xenograft

Avacyn's Collar
Ashnod's Altar
Xenograft

Requires
Avacyn's Collar must be on the battlefield. Ashnod's Altar must be on the battlefield. Xenograft must be on the battlefield. Avacyn's Collar attached to any creature you control. "Human" chosen with Xenograft.
Steps
  1. Activate Ashnod's Altar by sacrificing the creature with Avacyn's Collar attached, adding .
  2. When the creature dies, Avacyn's Collar triggers, creating a 1/1 Spirit creature token.
  3. Activate Avacyn's Collar's equip ability by paying 2, attaching it to the Spirit token.
  4. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

Grimgrin, Corpse-Born
0.05% of 2123 decks 1 decks
Creatures
Scuttlemutt
100% of 1 decks +100% synergy
Rotlung Reanimator
100% of 1 decks +100% synergy
Haakon, Stromgald Scourge
100% of 1 decks +100% synergy
Shrieking Drake
100% of 1 decks +100% synergy
Calculating Lich
100% of 1 decks +100% synergy
Vogar, Necropolis Tyrant
100% of 1 decks +100% synergy
Lotleth Giant
100% of 1 decks +99% synergy
Necrotic Ooze
100% of 1 decks +99% synergy
Corpse Connoisseur
100% of 1 decks +99% synergy
Apprentice Necromancer
100% of 1 decks +99% synergy
River Kelpie
100% of 1 decks +99% synergy
Liliana, Heretical Healer
100% of 1 decks +99% synergy
Vela the Night-Clad
100% of 1 decks +99% synergy
Ebondeath, Dracolich
100% of 1 decks +98% synergy
Phyrexian Walker
100% of 1 decks +97% synergy
Memnite
100% of 1 decks +97% synergy
Vile Entomber
100% of 1 decks +97% synergy
Bladestitched Skaab
100% of 1 decks +96% synergy
Blood Artist
100% of 1 decks +96% synergy
Geralf, the Fleshwright
100% of 1 decks +96% synergy
Zombie Master
100% of 1 decks +95% synergy
Sidisi, Undead Vizier
100% of 1 decks +95% synergy
Relentless Dead
100% of 1 decks +95% synergy
Havengul Lich
100% of 1 decks +95% synergy
Ghoulcaller Gisa
100% of 1 decks +95% synergy
Vengeful Dead
100% of 1 decks +94% synergy
Mikaeus, the Unhallowed
100% of 1 decks +94% synergy
Noxious Ghoul
100% of 1 decks +94% synergy
Plague Belcher
100% of 1 decks +93% synergy
Glasspool Mimic
100% of 1 decks +93% synergy
Champion of the Perished
100% of 1 decks +92% synergy
Undead Warchief
100% of 1 decks +91% synergy
Lord of the Accursed
100% of 1 decks +89% synergy
Gravecrawler
100% of 1 decks +88% synergy
Ornithopter
100% of 1 decks +88% synergy
Diregraf Colossus
100% of 1 decks +88% synergy
Death Baron
100% of 1 decks +88% synergy
Diregraf Captain
100% of 1 decks +86% synergy
Gray Merchant of Asphodel
100% of 1 decks +85% synergy
Instants
Corpse Dance
100% of 1 decks +100% synergy
Jwari Disruption
100% of 1 decks +98% synergy
Hagra Mauling
100% of 1 decks +96% synergy
Malakir Rebirth
100% of 1 decks +90% synergy
Waterlogged Teachings
100% of 1 decks +83% synergy
Sink into Stupor
100% of 1 decks +78% synergy
Fell the Profane
100% of 1 decks +77% synergy
Sorceries
Bitter Ordeal
100% of 1 decks +100% synergy
Agadeem's Awakening
100% of 1 decks +94% synergy
Sea Gate Restoration
100% of 1 decks +92% synergy
Utility Artifacts
Relic Vial
100% of 1 decks +100% synergy
Nim Deathmantle
100% of 1 decks +99% synergy
Phyrexian Altar
100% of 1 decks +93% synergy
Enchantments
Faces of the Past
100% of 1 decks +100% synergy
Intruder Alarm
100% of 1 decks +99% synergy
Conspiracy
100% of 1 decks +99% synergy
Bastion of Remembrance
100% of 1 decks +97% synergy
Arcane Adaptation
100% of 1 decks +95% synergy
Cover of Darkness
100% of 1 decks +95% synergy
Grave Pact
100% of 1 decks +95% synergy
The Meathook Massacre
100% of 1 decks +95% synergy
Necroduality
100% of 1 decks +91% synergy
Reflections of Littjara
100% of 1 decks +87% synergy
Rooftop Storm
100% of 1 decks +87% synergy
Kindred Discovery
100% of 1 decks +86% synergy
Planeswalkers
Liliana, the Last Hope
100% of 1 decks +99% synergy
Liliana, Untouched by Death
100% of 1 decks +97% synergy
Liliana, Dreadhorde General
100% of 1 decks +95% synergy
Liliana, Death's Majesty
100% of 1 decks +93% synergy
Utility Lands
Leechridden Swamp
100% of 1 decks +100% synergy
Crypt of Agadeem
100% of 1 decks +98% synergy
Unholy Grotto
100% of 1 decks +96% synergy
Field of the Dead
100% of 1 decks +96% synergy
Witch's Cottage
100% of 1 decks +96% synergy
Phyrexian Tower
100% of 1 decks +94% synergy
Mortuary Mire
100% of 1 decks +91% synergy
Cabal Coffers
100% of 1 decks +88% synergy
Urborg, Tomb of Yawgmoth
100% of 1 decks +79% synergy
Mana Artifacts
Crystal Skull, Isu Spyglass
100% of 1 decks +98% synergy
Crowded Crypt
100% of 1 decks +93% synergy
Lands
Reflecting Pool
100% of 1 decks +95% synergy
Secluded Courtyard
100% of 1 decks +94% synergy
Unclaimed Territory
100% of 1 decks +92% synergy
Cavern of Souls
100% of 1 decks +91% synergy
Fetid Pools
100% of 1 decks +86% synergy
Clearwater Pathway
100% of 1 decks +73% synergy
Polluted Delta
100% of 1 decks +72% synergy
Path of Ancestry
100% of 1 decks +71% synergy
Morphic Pool
100% of 1 decks +62% synergy
Shipwreck Marsh
100% of 1 decks +60% synergy
Watery Grave
100% of 1 decks +55% synergy
Drowned Catacomb
100% of 1 decks +52% synergy
Command Tower
100% of 1 decks +11% synergy