Confidence:StrongSolidPlausibleTentativeSpeculative

• Clock of Omens

  4

  ArtifactC

  Token-fuel engine: one side keeps producing untapped tokens that pay the other's tap costs, and the output feeds the loop again — Squirrel Nest with Earthcraft is the classic shape.
• Blight Mound

  2B

  EnchantmentB

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

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Essenceknit Scholar

  BB/GG

  Creature — Dryad WarlockBG

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

  3GG

  Creature — SpiritG

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

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Feral Appetite

  2G

  EnchantmentG

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

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Blinkmoth Infusion

  12UU

  InstantU

  Blinkmoth Infusion untaps all (or many) permanents, refreshing Nuisance Engine's tap activation.
• Valentin, Dean of the Vein // Lisette, Dean of the Root

  B2GG

  Legendary Creature — Vampire Warlock // Legendary Creature — Human DruidBG

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

  2B

  Creature — Human WarlockB

  Both cards produce the same kind of effect (shared token subtype).
• Lluwen, Exchange Student // Pest Friend

  2BGB/G

  Legendary Creature — Elf Druid // SorceryBG

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

  4G

  Creature — Troll DruidG

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

  3G

  Creature — Plant SlothG

  Both cards produce the same kind of effect (shared token subtype).
• Moseo, Vein's New Dean

  2B

  Legendary Creature — Bird Skeleton WarlockB

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

  5BG

  Legendary Creature — Elder DragonBG

  Both cards produce the same kind of effect (shared token subtype).
• Send in the Pest

  1B

  SorceryB

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

  2B

  Creature — Vampire WarlockB

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

  XXG

  SorceryG

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

  3G

  Creature — Bear DruidG

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

  2G

  Sorcery — LessonG

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

  1B/GB/G

  Sorcery — LessonBG

  Both cards produce the same kind of effect (shared token subtype).
• Pestilent Cauldron // Restorative Burst

  2B3GG

  Artifact // SorceryBG

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