Confidence:StrongSolidPlausibleTentativeSpeculative

• Tinybones Joins Up

  B

  Legendary EnchantmentB

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

  1G

  EnchantmentG

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

  1G

  Creature — Snake DruidG

  Both cards produce the same kind of effect (shared token subtype).
• 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.
• Necrotic Hex

  6B

  SorceryB

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

  1B

  Creature — Zombie SoldierB

  Both cards produce the same kind of effect (shared token subtype).
• The Book of Vile Darkness

  BBB

  Legendary Artifact — BookB

  Both cards produce the same kind of effect (shared token subtype).
• Liliana, Dreadhorde General

  4BB

  Legendary Planeswalker — LilianaB

  Both cards produce the same kind of effect (shared token subtype).
• Quest for the Gravelord

  B

  EnchantmentB

  Both cards produce the same kind of effect (shared token subtype).
• Hildibrand Manderville // Gentleman's Rise

  1W2B

  Legendary Creature — Human Detective // Instant — AdventureBW

  Both cards produce the same kind of effect (shared token subtype).
• Gisa, the Hellraiser

  3BB

  Legendary Creature — Human WarlockB

  Both cards produce the same kind of effect (shared token subtype).
• Liliana, Death's Majesty

  3BB

  Legendary Planeswalker — LilianaB

  Both cards produce the same kind of effect (shared token subtype).
• Warden of the Grove

  2G

  Creature — HydraG

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

  4BB

  Creature — GiantB

  Both cards produce the same kind of effect (shared token subtype).
• Army of the Damned

  5BBB

  SorceryB

  Both cards produce the same kind of effect (shared token subtype).
• Liliana, the Last Hope

  1BB

  Legendary Planeswalker — LilianaB

  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.
• 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.
• Liliana, Heretical Healer // Liliana, Defiant Necromancer

  1BB

  Legendary Creature — Human Cleric // Legendary Planeswalker — LilianaB

  Both cards produce the same kind of effect (shared token subtype).
• Gladewalker Ritualist

  2G

  Creature — ShapeshifterG

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