Confidence:StrongSolidPlausibleTentativeSpeculative

• Orcish Bowmasters

  1B

  Creature — Orc ArcherB

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

  B

  SorceryB

  Reanimate puts Great Goblin, Foul-Hearted onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Great Goblin, Foul-Hearted onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Goblin Rabblemaster

  2R

  Creature — Goblin WarriorR

  Both cards produce the same kind of effect (shared token subtype).
• Isshin, Two Heavens as One

  RWB

  Legendary Creature — Human SamuraiBRW

  Isshin, Two Heavens as One makes Great Goblin, Foul-Hearted's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Goblin Assault

  2R

  EnchantmentR

  Both cards produce the same kind of effect (shared token subtype).
• Saruman, the White Hand

  1UBR

  Legendary Creature — Avatar WizardBRU

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

  5RR

  Legendary Planeswalker — ChandraR

  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.
• Grim Initiate

  R

  Creature — Zombie WarriorR

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

  2R

  Creature — Goblin MercenaryR

  Both cards produce the same kind of effect (shared token subtype).
• Sauron, the Dark Lord

  3UBR

  Legendary Creature — Avatar HorrorBRU

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

  1R

  Creature — Goblin BardR

  Both cards produce the same kind of effect (shared token subtype).
• The Mighty Thor, Jane Foster

  1WU

  Legendary Creature — Human God HeroUW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Warg Rider

  4B

  Creature — Orc WarriorB

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

  1UU

  InstantU

  Both cards produce the same kind of effect (shared token subtype).
• Thassa, Deep-Dwelling

  3U

  Legendary Enchantment Creature — GodU

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• 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.).
• Great Ugly-Looking Goblin // Clap! Snap!

  5B1B

  Creature — Goblin Soldier // Sorcery — AdventureB

  Both cards produce the same kind of effect (shared token subtype).
• The Mind Stone

  1W

  Legendary Artifact — Infinity StoneW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Gleaming Overseer

  1UB

  Creature — Zombie WizardBU

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

  UB

  Creature — Zombie WizardBU

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

  2B/RB/R

  Legendary Planeswalker — AngrathBR

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

  1WU

  Creature — SpiritUW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Shagrat, Loot Bearer

  2BR

  Legendary Creature — Orc SoldierBR

  Both cards produce the same kind of effect (shared token subtype).
• Don & Leo, Problem Solvers

  3W/UW/U

  Legendary Creature — Mutant Ninja TurtleUW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.