Confidence:StrongSolidPlausibleTentativeSpeculative

• Elspeth, Storm Slayer

  3WW

  Legendary Planeswalker — ElspethW

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

  1

  Legendary 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.
• Clock of Omens

  4

  ArtifactC

  One-directional refresh: one card can untap permanents the other wants to reuse. Not self-sustaining on its own — the untapper has to keep showing up.
• Geometric Nexus

  2

  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.
• Stocking the Pantry

  G

  EnchantmentG

  Both cards trigger when a counter is placed — they fire together.
• Mikey & Leo, Chaos & Order

  G/WG/W

  Legendary Creature — Mutant Ninja TurtleGW

  Both cards trigger when a counter is placed — they fire together.
• Hollowmurk Siege

  BG

  EnchantmentBG

  Both cards trigger when a counter is placed — they fire together.
• Earth Kingdom General

  3G

  Creature — Human Soldier AllyG

  Both cards trigger when a counter is placed — they fire together.
• Retrofitter Foundry

  1

  ArtifactC

  Both cards produce the same kind of effect (shared token subtype).
• The Great Goblin

  1B/RB/R

  Legendary Creature — Goblin NobleBR

  Both cards trigger when a counter is placed — they fire together.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Animation Module's tap activation.
• Omarthis, Ghostfire Initiate

  XX

  Legendary Creature — Spirit SnakeC

  Both cards trigger when a counter is placed — they fire together.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Animation Module's tap activation.
• Terrasymbiosis

  2G

  EnchantmentG

  Both cards trigger when a counter is placed — they fire together.
• Botanical Brawler

  GW

  Creature — Elemental WarriorGW

  Both cards trigger when a counter is placed — they fire together.
• 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.
• Kros, Defense Contractor

  1GWU

  Legendary Creature — Cat AdvisorGUW

  Both cards trigger when a counter is placed — they fire together.
• Casey Jones, Back Alley Brute

  3R

  Legendary Creature — Human BerserkerR

  Both cards trigger when a counter is placed — they fire together.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Animation Module's tap activation.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Animation Module's tap activation.
• Ant-Man, Colony Commander

  1GU

  Legendary Creature — Human Rogue HeroGU

  Both cards trigger when a counter is placed — they fire together.
• Master Trinketeer

  2W

  Creature — Dwarf ArtificerW

  Both cards produce the same kind of effect (shared token subtype).
• Shalai and Hallar

  1RGW

  Legendary Creature — Angel ElfGRW

  Both cards trigger when a counter is placed — they fire together.
• Moss-Pit Skeleton

  BG

  Creature — Plant SkeletonBG

  Both cards trigger when a counter is placed — they fire together.
• Simic Ascendancy

  GU

  EnchantmentGU

  Both cards trigger when a counter is placed — they fire together.