Confidence:StrongSolidPlausibleTentativeSpeculative

• Palladium Myr✓

  3

  Artifact Creature — MyrC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Metalworker✓

  3

  Artifact Creature — ConstructC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Millikin✓

  2

  Artifact Creature — ConstructC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Codie, Vociferous Codex✓

  3

  Legendary Artifact Creature — Book ConstructBGRUW

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Cradle Clearcutter✓

  6

  Artifact Creature — GolemG

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Hazel of the Rootbloom

  2BG

  Legendary Creature — Squirrel DruidBG

  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.
• Mr. House, President and CEO

  RWB

  Legendary Artifact Creature — HumanBRW

  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.
• Twitching Doll

  1G

  Artifact Creature — Spider ToyG

  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.
• Great Divide Guide

  1G

  Creature — Human Scout AllyG

  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.
• Meria, Scholar of Antiquity

  1RG

  Legendary Creature — Elf ArtificerGR

  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.
• The Warring Triad

  3

  Legendary Artifact Creature — GodC

  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.
• Grand Architect

  1UU

  Creature — Vedalken ArtificerU

  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.
• Baylen, the Haymaker

  RGW

  Legendary Creature — Rabbit WarriorGRW

  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.
• Ornithopter of Paradise

  2

  Artifact Creature — ThopterC

  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.
• Careful Cultivation

  2G

  Enchantment — AuraG

  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.
• Page, Loose Leaf

  2

  Legendary Artifact Creature — ConstructC

  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.
• Honor-Worn Shaku

  3

  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.
• H.E.R.B.I.E., Lovable Robot

  2

  Legendary Artifact Creature — Robot ScoutC

  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.
• Foreboding Statue // Forsaken Thresher

  3

  Artifact Creature — Construct // Artifact Creature — ConstructC

  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.
• Zookeeper Mechan

  1R

  Artifact Creature — RobotR

  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.
• Urza, Lord High Artificer

  2UU

  Legendary Creature — Human ArtificerU

  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.
• Tower Worker

  3

  Artifact Creature — Assembly-WorkerC

  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.
• Jaheira, Friend of the Forest

  2G

  Legendary Creature — Human Elf DruidG

  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.
• Bigger on the Inside

  3RG

  Enchantment — AuraGR

  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.
• Gene Pollinator

  G

  Artifact Creature — Robot InsectG

  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.