Confidence:StrongSolidPlausibleTentativeSpeculative

• Ruinous Waterbending

  1BB

  Sorcery — LessonB

  Both cards trigger when a creature dies — they fire together.
• Haunted One

  2B

  Legendary Enchantment — BackgroundB

  Both cards trigger when a creature dies — they fire together.
• Sothera, the Supervoid

  2BB

  Legendary EnchantmentB

  Both cards trigger when a creature dies — they fire together.
• 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.
• Chandra, Flameshaper

  5RR

  Legendary Planeswalker — ChandraR

  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.
• Summoner's Sending

  1W

  EnchantmentW

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

  B

  Enchantment Creature — SpiritB

  Both cards trigger when a creature dies — they fire together.
• The Meathook Massacre

  XBB

  Legendary EnchantmentB

  Both cards trigger when a creature dies — they fire together.
• Omnath, Locus of Rage

  3RRGG

  Legendary Creature — ElementalGR

  Both cards trigger when a creature dies — they fire together.
• The Serpent Society

  1BG

  Legendary Creature — Human Snake VillainBG

  Both cards trigger when a creature dies — they fire together.
• Endless Evil

  2U

  Enchantment — AuraU

  Both cards trigger when a creature dies — they fire together.
• Garruk, Cursed Huntsman

  4BG

  Legendary Planeswalker — GarrukBG

  Both cards trigger when a creature dies — they fire together.
• Wight

  1B

  Creature — Zombie SoldierB

  Both cards trigger when a creature dies — they fire together.
• Meren of Clan Nel Toth

  2BG

  Legendary Creature — Human ShamanBG

  Both cards trigger when a creature dies — they fire together.
• Quest for the Gravelord

  B

  EnchantmentB

  Both cards trigger when a creature dies — they fire together.
• Liliana, Dreadhorde General

  4BB

  Legendary Planeswalker — LilianaB

  Both cards trigger when a creature dies — they fire together.
• Ajani, Nacatl Pariah // Ajani, Nacatl Avenger

  1W

  Legendary Creature — Cat Warrior // Legendary Planeswalker — AjaniRW

  Both cards trigger when a creature dies — they fire together.
• Edea, Possessed Sorceress

  2UBR

  Legendary Creature — Human WarlockBRU

  Both cards trigger when a creature dies — they fire together.
• Bequeathal

  G

  Enchantment — AuraG

  Both cards trigger when a creature dies — they fire together.
• Syr Vondam, Sunstar Exemplar

  WB

  Legendary Creature — Human KnightBW

  Both cards trigger when a creature dies — they fire together.
• Rampart Architect

  3G

  Creature — Elephant AdvisorG

  Both cards trigger when a creature dies — they fire together.
• Stone Haven Outfitter

  1W

  Creature — Kor Artificer AllyW

  Both cards trigger when a creature dies — they fire together.
• Shadow Urchin

  2B/R

  Creature — OupheBR

  Both cards trigger when a creature dies — they fire together.
• Invoke the Ancients

  1GGGG

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).
• Rinoa, Angel Wing

  2W

  Legendary Creature — Human Rebel WarlockW

  Both cards trigger when a creature dies — they fire together.