Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• Kaya, Intangible Slayer

  3WWBB

  Legendary Planeswalker — KayaBW

  Both cards produce the same kind of effect (shared token subtype).
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Spreading Plague

  4B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Quintorius Kand

  3RW

  Legendary Planeswalker — QuintoriusRW

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

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Summoner's Sending

  1W

  EnchantmentW

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

  2WW

  EnchantmentW

  Both cards produce the same kind of effect (shared token subtype).
• Quintorius, History Chaser

  2RW

  Legendary Planeswalker — QuintoriusRW

  Both cards produce the same kind of effect (shared token subtype).
• Kiora, Master of the Depths

  2GU

  Legendary Planeswalker — KioraGU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Faramir, Steward of Gondor

  1WU

  Legendary Creature — Human NobleUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Teysa, Opulent Oligarch

  1WB

  Legendary Creature — Human AdvisorBW

  Both cards produce the same kind of effect (shared token subtype).
• Goro-Goro and Satoru

  UBR

  Legendary Creature — Goblin HumanBRU

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

  3WW

  SorceryW

  Both cards produce the same kind of effect (shared token subtype).
• Kaya, Spirits' Justice

  2WB

  Legendary Planeswalker — KayaBW

  Both cards produce the same kind of effect (shared token subtype).
• Chief Magistrate of Mercadia

  4RW

  Legendary Creature — Human NobleRW

  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.
• Massimo, the Magician

  URW

  Legendary Creature — Cat WizardRUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Warden of the Grove

  2G

  Creature — HydraG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Teferi, Temporal Pilgrim

  3UU

  Legendary Planeswalker — TeferiU

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

  1GGGG

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).
• Grist, Voracious Larva // Grist, the Plague Swarm

  G

  Legendary Creature — Insect // Legendary Planeswalker — GristBG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Staff of the Storyteller

  1W

  ArtifactW

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

  3GG

  Creature — Elemental TurtleG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Lagrella, the Magpie

  GWU

  Legendary Creature — Human SoldierGUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Lonis, Cryptozoologist

  GU

  Legendary Creature — Snake Elf ScoutGU

  Both cards trigger when a creature enters the battlefield — they fire together.