Confidence:StrongSolidPlausibleTentativeSpeculative

• Innkeeper's Talent

  1G

  Enchantment — ClassG

  Counter synergy: both cards work with the same kind of counters, so their effects stack in a counters deck. Not necessarily a closed loop on its own.
• Traveling Chocobo

  2G

  Creature — BirdG

  Traveling Chocobo makes Khalni Heart Expedition's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Dragonback Assault

  3GUR

  EnchantmentGRU

  Both cards trigger on landfall — they fire together.
• Sapling Nursery

  6GG

  EnchantmentG

  Both cards trigger on landfall — they fire together.
• The Lost and the Damned

  1UR

  EnchantmentRU

  Both cards trigger on landfall — they fire together.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Both cards trigger on landfall — they fire together.
• Pia Nalaar, Consul of Revival

  RW

  Legendary Creature — Human ArtificerRW

  Both cards trigger on landfall — they fire together.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Both cards trigger on landfall — they fire together.
• Omnath, Locus of Rage

  3RRGG

  Legendary Creature — ElementalGR

  Both cards trigger on landfall — they fire together.
• Omnath, Locus of Creation

  RGWU

  Legendary Creature — ElementalGRUW

  Both cards trigger on landfall — they fire together.
• Bloodghast

  BB

  Creature — Vampire SpiritB

  Both cards trigger on landfall — they fire together.
• Cosima, God of the Voyage // The Omenkeel

  2U1U

  Legendary Creature — God // Legendary Artifact — VehicleU

  Both cards trigger on landfall — they fire together.
• Primeval Bounty

  5G

  EnchantmentG

  Both cards trigger on landfall — they fire together.
• Rampaging Baloths

  4GG

  Creature — BeastG

  Both cards trigger on landfall — they fire together.
• Faldorn, Dread Wolf Herald

  1RG

  Legendary Creature — Human DruidGR

  Both cards trigger on landfall — they fire together.
• Hazezon, Shaper of Sand

  RGW

  Legendary Creature — Human WarriorGRW

  Both cards trigger on landfall — they fire together.
• Admonition Angel

  3WWW

  Creature — AngelW

  Both cards trigger on landfall — they fire together.
• Greensleeves, Maro-Sorcerer

  3GG

  Legendary Creature — Elemental SorcererG

  Both cards trigger on landfall — they fire together.
• Nissa, Resurgent Animist

  2G

  Legendary Creature — Elf ScoutG

  Both cards trigger on landfall — they fire together.
• Toggo, Goblin Weaponsmith

  2R

  Legendary Creature — Goblin ArtificerR

  Both cards trigger on landfall — they fire together.
• Tiller Engine

  2

  Artifact Creature — ConstructC

  Both cards trigger on landfall — they fire together.
• Iridescent Vinelasher

  B

  Creature — Lizard AssassinB

  Both cards trigger on landfall — they fire together.
• Elesh Norn, Mother of Machines

  4W

  Legendary Creature — Phyrexian PraetorW

  Elesh Norn, Mother of Machines makes Khalni Heart Expedition's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Virtue of Knowledge // Vantress Visions

  4U1U

  Enchantment // Instant — AdventureU

  Virtue of Knowledge makes Khalni Heart Expedition's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Courser of Kruphix

  1GG

  Enchantment Creature — CentaurG

  Both cards trigger on landfall — they fire together.