Confidence:StrongSolidPlausibleTentativeSpeculative

• Rodolf Duskbringer

  5B

  Legendary Creature — Vampire AngelBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Fiendish Panda

  2WB

  Creature — Bear DemonBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Gisa, the Hellraiser

  3BB

  Legendary Creature — Human WarlockB

  Both cards produce the same kind of effect (shared token subtype).
• Oath of Eorl

  3RW

  Enchantment — SagaRW

  Both cards produce the same kind of effect (shared token subtype).
• General's Enforcer

  WB

  Creature — Human SoldierBW

  Both cards produce the same kind of effect (shared token subtype).
• Mirrorhall Mimic // Ghastly Mimicry

  3U

  Creature — Spirit // Enchantment — AuraU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• Kalitas, Traitor of Ghet

  2BB

  Legendary Creature — Vampire WarriorB

  Both cards produce the same kind of effect (shared token subtype).
• Osgood, Operation Double

  2UU

  Legendary Creature — Human Alien ShapeshifterU

  Both cards produce the same kind of effect (shared token subtype).
• Diregraf Colossus

  2B

  Creature — Zombie GiantB

  Both cards produce the same kind of effect (shared token subtype).
• Lossarnach Captain

  3W

  Creature — Human SoldierW

  Both cards produce the same kind of effect (shared token subtype).
• Dino DNA

  1

  ArtifactC

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Cursed Mirror

  2R

  ArtifactR

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• Stormsplitter

  3R

  Creature — Otter WizardR

  Both cards produce the same kind of effect (shared token subtype).
• Geralf, Visionary Stitcher

  2U

  Legendary Creature — Human WizardU

  Both cards produce the same kind of effect (shared token subtype).
• Jerren, Corrupted Bishop // Ormendahl, the Corrupter

  2B

  Legendary Creature — Human Cleric // Legendary Creature — DemonB

  Both cards produce the same kind of effect (shared token subtype).
• Cryptbreaker

  B

  Creature — ZombieB

  Both cards produce the same kind of effect (shared token subtype).
• Docent of Perfection // Final Iteration

  3UU

  Creature — Insect Horror // Creature — Eldrazi InsectU

  Both cards produce the same kind of effect (shared token subtype).
• Rionya, Fire Dancer

  3RR

  Legendary Creature — Human WizardR

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• Cemetery Reaper

  1BB

  Creature — ZombieB

  Both cards produce the same kind of effect (shared token subtype).
• Geralf, the Fleshwright

  2U

  Legendary Creature — Human WarlockU

  Both cards produce the same kind of effect (shared token subtype).
• Callidus Assassin

  4UB

  Creature — Human Shapeshifter AssassinBU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• Graf Harvest

  B

  EnchantmentB

  Both cards produce the same kind of effect (shared token subtype).
• Fugitive of the Judoon

  4G

  Enchantment — SagaG

  Both cards produce the same kind of effect (shared token subtype).
• Deceptive Frostkite

  UU

  Creature — DragonU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).