Confidence:StrongSolidPlausibleTentativeSpeculative

• Song of Creation

  1GUR

  EnchantmentGRU

  Sins of the Past lets you cast/play from the graveyard, enabling Song of Creation's recursion loop.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Sins of the Past lets you cast/play from the graveyard, enabling Baron Helmut Zemo's recursion loop.
• Hydro-Man, Fluid Felon

  UU

  Legendary Creature — Elemental VillainU

  Sins of the Past lets you cast/play from the graveyard, enabling Hydro-Man, Fluid Felon's recursion loop.
• Temporal Extortion

  BBBB

  SorceryB

  Sins of the Past lets you cast/play from the graveyard, enabling Temporal Extortion's recursion loop.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Sins of the Past lets you cast/play from the graveyard, enabling Shanid, Sleepers' Scourge's recursion loop.
• Quintorius Kand

  3RW

  Legendary Planeswalker — QuintoriusRW

  Sins of the Past lets you cast/play from the graveyard, enabling Quintorius Kand's recursion loop.
• The Circle of Loyalty

  4WW

  Legendary ArtifactW

  Sins of the Past lets you cast/play from the graveyard, enabling The Circle of Loyalty's recursion loop.
• Jodah, the Unifier

  WUBRG

  Legendary Creature — Human WizardBGRUW

  Sins of the Past lets you cast/play from the graveyard, enabling Jodah, the Unifier's recursion loop.
• Kasla, the Broken Halo

  3URW

  Legendary Creature — Angel AllyRUW

  Sins of the Past lets you cast/play from the graveyard, enabling Kasla, the Broken Halo's recursion loop.
• Lavinia, Foil to Conspiracy

  1W/UW/U

  Legendary Creature — Human DetectiveUW

  Sins of the Past lets you cast/play from the graveyard, enabling Lavinia, Foil to Conspiracy's recursion loop.
• Runaway Steam-Kin

  1R

  Creature — ElementalR

  Sins of the Past lets you cast/play from the graveyard, enabling Runaway Steam-Kin's recursion loop.
• Dash Hopes

  BB

  InstantB

  Sins of the Past lets you cast/play from the graveyard, enabling Dash Hopes's recursion loop.
• Fire Lord Zuko

  RWB

  Legendary Creature — Human Noble AllyBRW

  Sins of the Past lets you cast/play from the graveyard, enabling Fire Lord Zuko's recursion loop.
• Malcolm, the Eyes

  UR

  Legendary Creature — Siren PirateRU

  Sins of the Past lets you cast/play from the graveyard, enabling Malcolm, the Eyes's recursion loop.
• Malicious Affliction

  BB

  InstantB

  Sins of the Past lets you cast/play from the graveyard, enabling Malicious Affliction's recursion loop.
• Deathbringer Liege

  2W/BW/BW/B

  Creature — HorrorBW

  Sins of the Past lets you cast/play from the graveyard, enabling Deathbringer Liege's recursion loop.
• Neerdiv, Devious Diver

  2U

  Legendary Creature — Merfolk RogueU

  Sins of the Past lets you cast/play from the graveyard, enabling Neerdiv, Devious Diver's recursion loop.
• Questing Druid // Seek the Beast

  1G1R

  Creature — Human Druid // Instant — AdventureGR

  Sins of the Past lets you cast/play from the graveyard, enabling Questing Druid's recursion loop.
• Reki, the History of Kamigawa

  2G

  Legendary Creature — Human ShamanG

  Sins of the Past lets you cast/play from the graveyard, enabling Reki, the History of Kamigawa's recursion loop.
• Moderation

  1WU

  EnchantmentUW

  Sins of the Past lets you cast/play from the graveyard, enabling Moderation's recursion loop.
• Ramos, Dragon Engine

  6

  Legendary Artifact Creature — DragonBGRUW

  Sins of the Past lets you cast/play from the graveyard, enabling Ramos, Dragon Engine's recursion loop.
• Norin the Wary

  R

  Legendary Creature — Human WarriorR

  Sins of the Past lets you cast/play from the graveyard, enabling Norin the Wary's recursion loop.
• Chandra, Torch of Defiance

  2RR

  Legendary Planeswalker — ChandraR

  Sins of the Past lets you cast/play from the graveyard, enabling Chandra, Torch of Defiance's recursion loop.
• Venat, Heart of Hydaelyn // Hydaelyn, the Mothercrystal

  1WW

  Legendary Creature — Elder Wizard // Legendary Creature — GodW

  Sins of the Past lets you cast/play from the graveyard, enabling Venat, Heart of Hydaelyn's recursion loop.
• Jace, Vryn's Prodigy // Jace, Telepath Unbound

  1U

  Legendary Creature — Human Wizard // Legendary Planeswalker — JaceU

  Sins of the Past lets you cast/play from the graveyard, enabling Jace, Vryn's Prodigy's recursion loop.