Confidence:StrongSolidPlausibleTentativeSpeculative

• Ulamog's Dreadsire

  10

  Creature — EldraziC

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

  2U

  EnchantmentU

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

  1C

  InstantC

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

  7

  Creature — EldraziC

  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.).
• Ezri Dax, Newly Joined

  1W

  Legendary Creature — Trill AdvisorW

  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.).
• Emrakul's Messenger

  1U

  Creature — Eldrazi Faerie RogueU

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

  G

  Creature — Eldrazi DroneG

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

  1G

  Creature — Eldrazi DroneG

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

  2G

  Creature — Human HorrorG

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

  XCC

  Kindred Instant — EldraziC

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

  R

  InstantR

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

  10

  Creature — EldraziC

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

  3G

  EnchantmentG

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

  2

  ArtifactC

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

  4U

  InstantU

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

  2G

  Creature — Human HorrorG

  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.).
• Blight Herder

  5

  Creature — Eldrazi ProcessorC

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

  3RR

  Legendary Creature — Human WizardR

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• From Beyond

  3G

  EnchantmentG

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

  1G

  SorceryG

  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.).
• Carrier Thrall

  1B

  Creature — VampireB

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