Confidence:StrongSolidPlausibleTentativeSpeculative

• Echoing Deeps

  Land — CaveC

  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.
• Mortuary Mire

  LandB

  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.
• Haunted One

  2B

  Legendary Enchantment — BackgroundB

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

  Land — DesertC

  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.
• Elegant Parlor

  Land — Mountain PlainsRW

  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.
• Gallifrey Council Chamber

  Legendary LandC

  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.
• Hidden Grotto

  LandC

  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.
• Raucous Theater

  Land — Swamp MountainBR

  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.
• Surveillance Room

  LandC

  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.
• Obsessive Pursuit

  1B

  EnchantmentB

  Both cards trigger when a permanent attacks — they fire together.
• Banon, the Returners' Leader

  RW

  Legendary Creature — Human Cleric RebelRW

  Both cards trigger when a permanent attacks — they fire together.
• Garruk, Apex Predator

  5BG

  Legendary Planeswalker — GarrukBG

  Both cards trigger when a permanent attacks — they fire together.
• 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.
• Gallia of the Endless Dance

  RG

  Legendary Creature — SatyrGR

  Both cards trigger when a permanent attacks — 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.
• Avatar Roku, Firebender

  3RRR

  Legendary Creature — Human AvatarR

  Both cards trigger when a permanent attacks — they fire together.
• Wight

  1B

  Creature — Zombie SoldierB

  Both cards trigger when a creature dies — they fire together.
• Invasion of New Capenna // Holy Frazzle-Cannon

  WB

  Battle — Siege // Artifact — EquipmentBW

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

  2BG

  Legendary Creature — Human ShamanBG

  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.
• 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.
• Edea, Possessed Sorceress

  2UBR

  Legendary Creature — Human WarlockBRU

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