Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• The Serpent Society

  1BG

  Legendary Creature — Human Snake VillainBG

  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.
• Edea, Possessed Sorceress

  2UBR

  Legendary Creature — Human WarlockBRU

  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.
• Shadow Urchin

  2B/R

  Creature — OupheBR

  Both cards trigger when a creature dies — they fire together.
• Rinoa, Angel Wing

  2W

  Legendary Creature — Human Rebel WarlockW

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

  2WW

  EnchantmentW

  Both cards trigger when a creature dies — they fire together.
• Liliana, Heretical Healer // Liliana, Defiant Necromancer

  1BB

  Legendary Creature — Human Cleric // Legendary Planeswalker — LilianaB

  Both cards trigger when a creature dies — they fire together.
• Anafenza, Unyielding Lineage

  2W

  Legendary Creature — Spirit SoldierW

  Both cards trigger when a creature dies — they fire together.
• Lolth, Spider Queen

  3BB

  Legendary Planeswalker — LolthB

  Both cards trigger when a creature dies — they fire together.
• Taborax, Hope's Demise

  2B

  Legendary Creature — Demon ClericB

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

  1G

  Creature — Merfolk ScoutBG

  Recursion engine: one card can reanimate repeatedly (an activated ability), and the other is a creature worth bringing back again and again. Real, repeatable value — not an infinite loop on its own.
• Orzhov Euthanist

  2B

  Creature — Human AssassinB

  Both cards trigger when a creature dies — they fire together.
• Kaya's Ghostform

  B

  Enchantment — AuraB

  Both cards trigger when a creature dies — they fire together.
• Ob Nixilis, Unshackled

  4BB

  Legendary Creature — DemonB

  Both cards trigger when a creature dies — they fire together.
• Ratadrabik of Urborg

  2WB

  Legendary Creature — Zombie WizardBW

  Both cards trigger when a creature dies — they fire together.
• Shelob, Child of Ungoliant

  4BG

  Legendary Creature — Spider DemonBG

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

  1B

  Creature — Human DetectiveB

  Both cards trigger when a creature dies — they fire together.
• Spinner of Souls

  2G

  Creature — Spider SpiritG

  Both cards trigger when a creature dies — they fire together.
• Seize the Soul

  2BB

  InstantB

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