Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Dance of the Dead

  1B

  Enchantment — AuraB

  Dance of the Dead puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Rat King, Verminister

  1B

  Legendary Creature — Rat AvatarB

  Rat King, Verminister puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Novablast Wurm

  3GGWW

  Creature — WurmGW

  Novablast Wurm wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• Grim Giganotosaurus

  5BG

  Creature — DinosaurBG

  Grim Giganotosaurus wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• Bolas's Citadel

  3BBB

  Legendary ArtifactB

  Bolas's Citadel is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• Necrotic Hex

  6B

  SorceryB

  Necrotic Hex wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• My Precious // Allure of Power

  31B

  Legendary Artifact — Equipment // Instant — AdventureB

  My Precious is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

  Grimgrin, Corpse-Born is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• Cataclysm

  2WW

  SorceryW

  Cataclysm wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• Fiend Artisan

  B/GB/G

  Creature — NightmareBG

  Fiend Artisan is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• Ob Nixilis of the Black Oath

  3BB

  Legendary Planeswalker — NixilisB

  Ob Nixilis of the Black Oath is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• Liliana, Death's Majesty

  3BB

  Legendary Planeswalker — LilianaB

  Liliana, Death's Majesty puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Zimone and Dina

  BGU

  Legendary Creature — Human DryadBGU

  Zimone and Dina is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.
• The Eternal Wanderer

  4WW

  Legendary PlaneswalkerW

  The Eternal Wanderer wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• Yore-Tiller Nephilim

  WUBR

  Creature — NephilimBRUW

  Yore-Tiller Nephilim puts Sin, Unending Cataclysm onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Magus of the Disk

  2WW

  Creature — Human WizardW

  Magus of the Disk wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• The Night of the Doctor

  4WW

  Enchantment — SagaW

  The Night of the Doctor wipes or mass-sacrifices creatures, and Sin, Unending Cataclysm profits when creatures die — or comes back from the wipe itself.
• Garruk Relentless // Garruk, the Veil-Cursed

  3G

  Legendary Planeswalker — Garruk // Legendary Planeswalker — GarrukBG

  Garruk Relentless is a sacrifice outlet, enabling Sin, Unending Cataclysm's death or sacrifice trigger.