Confidence:StrongSolidPlausibleTentativeSpeculative

• Brightcap Badger // Fungus Frolic

  3G2G

  Creature — Badger Druid // Instant — AdventureG

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

  2G

  Creature — FungusG

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

  1G

  EnchantmentG

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

  1B/GB/G

  Creature — Elf ShamanBG

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

  BRG

  Creature — LizardBGR

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

  G

  Creature — FungusG

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

  2G

  Creature — SpiderG

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

  4G

  Creature — DryadG

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

  2G

  Enchantment — SagaG

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

  4G

  EnchantmentG

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

  3GG

  Creature — FungusG

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

  RG

  InstantGR

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

  GW

  InstantGW

  Both cards produce the same kind of effect (shared token subtype).
• Rith's Charm

  RGW

  InstantGRW

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

  1G

  Creature — Human DruidG

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

  2RG

  Legendary Creature — Elf DruidGR

  Both cards produce the same kind of effect (shared token subtype).
• Supply // Demand

  XGW1WU

  Sorcery // SorceryGUW

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

  3G

  Creature — Elf ShamanG

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

  2R

  Creature — Human ShamanBGR

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

  6

  Artifact Creature — ConstructC

  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.
• Sporemound

  3GG

  Creature — FungusG

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

  G

  Creature — FungusG

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

  B

  InstantB

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

  3G

  InstantG

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

  G

  InstantG

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