Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• Stone Idol Trap

  5R

  Instant — TrapR

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

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Chrome Replicator

  5

  Artifact Creature — ConstructC

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

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Skitterbeam Battalion

  9

  Artifact Creature — ConstructR

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

  2B

  Artifact Creature — WallB

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

  4

  Artifact Creature — ConstructC

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

  6

  Artifact Creature — ConstructC

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

  12UU

  InstantU

  Blinkmoth Infusion untaps all (or many) permanents, refreshing Oni-Cult Anvil's tap activation.
• Karn, Scion of Urza

  4

  Legendary Planeswalker — KarnC

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

  1R

  Creature — Goblin ArtificerR

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

  Enchantment Land — Urza's SagaC

  Both cards produce the same kind of effect (shared token subtype).
• Daretti, Ingenious Iconoclast

  1BR

  Legendary Planeswalker — DarettiBR

  Both cards produce the same kind of effect (shared token subtype).
• Jan Jansen, Chaos Crafter

  RWB

  Legendary Creature — Gnome ArtificerBRW

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

  1

  ArtifactC

  Both cards produce the same kind of effect (shared token subtype).
• Ancient Stone Idol

  10

  Artifact Creature — GolemC

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

  3UU

  EnchantmentU

  Both cards produce the same kind of effect (shared token subtype).
• Oviya Pashiri, Sage Lifecrafter

  G

  Legendary Creature — Human ArtificerG

  Both cards produce the same kind of effect (shared token subtype).
• Stone Idol Generator

  5

  ArtifactC

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

  3

  Legendary Artifact — VehicleC

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