Confidence:StrongSolidPlausibleTentativeSpeculative

• Dragon Man, Reformed Robot

  2WU

  Legendary Artifact Creature — Dragon RobotUW

  Recursion engine: one card can reanimate repeatedly (an activated ability, or a return that comes back once a turn), and the other is a creature worth bringing back again and again — or a creature you recast from your graveyard beside a sacrifice outlet that doesn't pay for the recast. Real, repeatable value — not an infinite loop on its own.
• Biotech Specialist

  RG

  Creature — Insect ScientistGR

  Penregon Strongbull is a sacrifice outlet, enabling Biotech Specialist's death or sacrifice trigger.
• Exuberant Fuseling

  R

  Creature — Phyrexian Goblin WarriorR

  Penregon Strongbull is a sacrifice outlet, enabling Exuberant Fuseling's death or sacrifice trigger.
• Shard of the Void Dragon

  4BBB

  Creature — C'tanB

  Penregon Strongbull is a sacrifice outlet, enabling Shard of the Void Dragon's death or sacrifice trigger.
• Ravenous Squirrel

  B/G

  Creature — SquirrelBG

  Penregon Strongbull is a sacrifice outlet, enabling Ravenous Squirrel's death or sacrifice trigger.
• Overflow Submatrix

  2B

  Artifact Creature — BorgB

  Penregon Strongbull is a sacrifice outlet, enabling Overflow Submatrix's death or sacrifice trigger.
• Judge Magister Gabranth

  WB

  Legendary Creature — Human Advisor KnightBW

  Penregon Strongbull is a sacrifice outlet, enabling Judge Magister Gabranth's death or sacrifice trigger.
• Magnetic Snuffler

  5

  Artifact Creature — ConstructC

  Penregon Strongbull is a sacrifice outlet, enabling Magnetic Snuffler's death or sacrifice trigger.
• Susurian Voidborn

  2B

  Creature — Vampire SoldierB

  Penregon Strongbull is a sacrifice outlet, enabling Susurian Voidborn's death or sacrifice trigger.
• Disciple of the Vault

  B

  Creature — Human ClericB

  Penregon Strongbull is a sacrifice outlet, enabling Disciple of the Vault's death or sacrifice trigger.
• Donatello, Mutant Mechanic

  3U

  Legendary Creature — Mutant Ninja TurtleU

  Penregon Strongbull is a sacrifice outlet, enabling Donatello, Mutant Mechanic's death or sacrifice trigger.
• Al Bhed Salvagers

  2B

  Creature — Human Artificer WarriorB

  Penregon Strongbull is a sacrifice outlet, enabling Al Bhed Salvagers's death or sacrifice trigger.
• Lightless Evangel

  1B

  Creature — Vampire ClericB

  Penregon Strongbull is a sacrifice outlet, enabling Lightless Evangel's death or sacrifice trigger.
• Popular Egotist

  2B

  Creature — Human RogueB

  Penregon Strongbull is a sacrifice outlet, enabling Popular Egotist's death or sacrifice trigger.
• Agent of the Iron Throne

  2B

  Legendary Enchantment — BackgroundB

  Penregon Strongbull is a sacrifice outlet, enabling Agent of the Iron Throne's death or sacrifice trigger.
• Summoning Station

  7

  ArtifactC

  Penregon Strongbull is a sacrifice outlet, enabling Summoning Station's death or sacrifice trigger.
• Pirate Peddlers

  2B

  Creature — Human PirateB

  Penregon Strongbull is a sacrifice outlet, enabling Pirate Peddlers's death or sacrifice trigger.
• Vat of Rebirth

  B

  ArtifactB

  Penregon Strongbull is a sacrifice outlet, enabling Vat of Rebirth's death or sacrifice trigger.
• Scavenger's Talent

  B

  Enchantment — ClassB

  Penregon Strongbull is a sacrifice outlet, enabling Scavenger's Talent's death or sacrifice trigger.
• Havoc Jester

  4R

  Creature — DevilR

  Penregon Strongbull is a sacrifice outlet, enabling Havoc Jester's death or sacrifice trigger.
• Gixian Infiltrator

  1B

  Creature — Phyrexian HumanB

  Penregon Strongbull is a sacrifice outlet, enabling Gixian Infiltrator's death or sacrifice trigger.
• Sorcerer's Broom

  2

  Artifact Creature — SpiritC

  Penregon Strongbull is a sacrifice outlet, enabling Sorcerer's Broom's death or sacrifice trigger.
• Bag of Devouring

  B

  ArtifactB

  Penregon Strongbull is a sacrifice outlet, enabling Bag of Devouring's death or sacrifice trigger.
• Bloodbriar

  2G

  Creature — Plant ElementalG

  Penregon Strongbull is a sacrifice outlet, enabling Bloodbriar's death or sacrifice trigger.
• Slaughter-Priest of Mogis

  BR

  Creature — Minotaur ShamanBR

  Penregon Strongbull is a sacrifice outlet, enabling Slaughter-Priest of Mogis's death or sacrifice trigger.