Confidence:StrongSolidPlausibleTentativeSpeculative

• Court of Garenbrig

  1GG

  EnchantmentG

  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.
• Elspeth, Storm Slayer

  3WW

  Legendary Planeswalker — ElspethW

  One card multiplies the tokens the other creates — a token doubler pointed at a steady token source.
• Hollowmurk Siege

  BG

  EnchantmentBG

  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.
• Sazh Katzroy

  3G

  Legendary Creature — Human PilotG

  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.
• Benevolent Hydra

  XGG

  Creature — HydraG

  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.
• Bristly Bill, Spine Sower

  1G

  Legendary Creature — Plant DruidG

  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.
• Zimone, Paradox Sculptor

  2GU

  Legendary Creature — Human WizardGU

  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.
• Ornery Tumblewagg

  2G

  Creature — Brushwagg MountG

  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.
• Hydra's Growth

  2G

  Enchantment — AuraG

  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.
• Byrke, Long Ear of the Law

  4GW

  Legendary Creature — Rabbit SoldierGW

  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.
• 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.
• Turtle Van

  3

  Artifact — VehicleC

  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.
• Level Up

  1G

  Enchantment — AuraG

  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.
• The First Tyrannic War

  2GUR

  Enchantment — SagaGRU

  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.
• Sword of Hours

  2

  Artifact — EquipmentC

  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.
• Seismic Tutelage

  3G

  Enchantment — AuraG

  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.
• Arcade Cabinet

  3

  ArtifactC

  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.
• Summoner's Sending

  1W

  EnchantmentW

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

  1GGGG

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).
• Antiquities on the Loose

  1WW

  SorceryW

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

  2G

  Creature — PlantG

  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.
• Sunstar Chaplain

  1W

  Creature — Human ClericW

  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.
• Quintorius, Loremaster

  3RW

  Legendary Creature — Elephant ClericRW

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

  3RW

  Legendary Creature — Dwarf ClericRW

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

  2U

  Creature — Monkey SpiritU

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