Confidence:StrongSolidPlausibleTentativeSpeculative

• Slimefoot and Squee

  BRG

  Legendary Creature — Fungus GoblinBGR

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Demon of Dark Schemes

  3BBB

  Creature — DemonB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Grim Reaper's Scythe

  2B

  Legendary ArtifactB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Cauldron of Essence

  1BG

  ArtifactBG

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Whip of Erebos

  2BB

  Legendary Enchantment ArtifactB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Nezumi Graverobber // Nighteyes the Desecrator

  1B

  Creature — Rat Rogue // Legendary Creature — Rat WizardB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Kenrith, the Returned King

  4W

  Legendary Creature — Human NobleBGRUW

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Shilgengar, Sire of Famine

  3BB

  Legendary Creature — Elder DemonBW

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Vat of Rebirth

  B

  ArtifactB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Geth, Thane of Contracts

  1BB

  Legendary Creature — Phyrexian ZombieB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Bonebind Orator

  1B

  Creature — Squirrel Warlock BardB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Gravewaker

  4BB

  Creature — Bird SpiritB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Golgari Guildmage

  B/GB/G

  Creature — Elf ShamanBG

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Soul of Innistrad

  4BB

  Creature — AvatarB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Journey to Eternity // Atzal, Cave of Eternity

  1BG

  Legendary Enchantment — Aura // Legendary LandBG

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• The Cauldron of Eternity

  10BB

  Legendary ArtifactB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Othelm, Sigardian Outcast

  1GW

  Legendary Creature — HumanGW

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Ruthless Technomancer

  3B

  Creature — Human WizardB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Theoretical Necromancer

  2B

  Creature — Vampire WarlockB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Champion of Stray Souls

  4BB

  Creature — Skeleton WarriorB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Adun Oakenshield

  BRG

  Legendary Creature — Human KnightBGR

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Phyrexian Reclamation

  B

  EnchantmentB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.
• Strands of Night

  2BB

  EnchantmentB

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• The Guardian of Forever

  3

  Legendary Artifact Creature — ConstructC

  Sacrifice-recursion with a catch: one card can return the other from the graveyard, but the return ability has an extra cost (sacrificing another creature, discarding a card, or tapping with no way to untap) the pair can't pay by itself. It works once — something else must keep supplying the fodder to make it repeatable.
• Unliving Legionnaire

  3B

  Creature — Vampire VillainB

  Sacrifice-recursion engine: one card repeatedly returns the other from the graveyard, and the returned card sacrifices itself again for value — the Auriok Salvagers + Black Lotus shape.