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.
• Chevill, Bane of Monsters

  BG

  Legendary Creature — Human RogueBG

  Where Ancients Tread produces damage that can kill creatures, enabling Chevill, Bane of Monsters's death-trigger or removal payoff.
• Minsc & Boo, Timeless Heroes

  2RG

  Legendary Planeswalker — MinscGR

  Where Ancients Tread produces damage that can kill creatures, enabling Minsc & Boo, Timeless Heroes's death-trigger or removal payoff.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Banon, the Returners' Leader

  RW

  Legendary Creature — Human Cleric RebelRW

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Spreading Plague

  4B

  EnchantmentB

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

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• The Meathook Massacre

  XBB

  Legendary EnchantmentB

  Where Ancients Tread produces damage that can kill creatures, enabling The Meathook Massacre's death-trigger or removal payoff.
• Kiora, Behemoth Beckoner

  2G/U

  Legendary Planeswalker — KioraGU

  Both cards trigger when a creature enters the battlefield — they fire together.
• 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.
• Mari, the Killing Quill

  1BB

  Legendary Creature — Vampire AssassinB

  Where Ancients Tread produces damage that can kill creatures, enabling Mari, the Killing Quill's death-trigger or removal payoff.
• Quest for the Gravelord

  B

  EnchantmentB

  Where Ancients Tread produces damage that can kill creatures, enabling Quest for the Gravelord's death-trigger or removal payoff.
• Gravecrawler

  B

  Creature — ZombieB

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Bequeathal

  G

  Enchantment — AuraG

  Where Ancients Tread produces damage that can kill creatures, enabling Bequeathal's death-trigger or removal payoff.
• Kraven the Hunter

  1BG

  Legendary Creature — Human Warrior VillainBG

  Where Ancients Tread produces damage that can kill creatures, enabling Kraven the Hunter's death-trigger or removal payoff.
• Eye of Singularity

  3W

  World EnchantmentW

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

  BR

  Creature — ZombieBR

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• Warden of the Grove

  2G

  Creature — HydraG

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

  1BB

  Legendary Creature — Human SamuraiB

  Where Ancients Tread produces damage that can kill creatures, enabling Toshiro Umezawa's death-trigger or removal payoff.
• Malicious Affliction

  BB

  InstantB

  Where Ancients Tread produces damage that can kill creatures, enabling Malicious Affliction's death-trigger or removal payoff.
• Timeline Culler

  BB

  Creature — Drix WarlockB

  Graveyard pair: one card brings creatures back from the graveyard repeatedly (or a creature that returns itself), and the other keeps feeding the loop — a recurring reanimator with a payoff, or a sacrifice outlet with a self-recurring creature.
• 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.
• Fecund Greenshell

  3GG

  Creature — Elemental TurtleG

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

  2WW

  EnchantmentW

  Where Ancients Tread produces damage that can kill creatures, enabling Enduring Renewal's death-trigger or removal payoff.