Confidence:StrongSolidPlausibleTentativeSpeculative

• Timeless Lotus✓

  5

  Legendary ArtifactBGRUW

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

  5

  ArtifactC

  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.
• Chromatic Orrery✓

  7

  Legendary ArtifactC

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

  XXX

  ArtifactC

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

  3

  ArtifactC

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

  1U

  Artifact Creature — Robot SoldierU

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

  3U

  Legendary Artifact — Book ClueU

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

  5

  Legendary Artifact — SpacecraftC

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

  4

  Legendary ArtifactC

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

  4

  ArtifactC

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

  5

  ArtifactC

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

  0

  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.
• Mox Emerald

  0

  ArtifactG

  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.
• Mox Jet

  0

  ArtifactB

  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.
• Mox Pearl

  0

  ArtifactW

  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.
• Mox Ruby

  0

  ArtifactR

  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.
• Mox Sapphire

  0

  ArtifactU

  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.
• Sol Ring

  1

  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.
• 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.
• The Soul Stone

  1B

  Legendary Artifact — Infinity StoneB

  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.
• Mox Amber

  0

  Legendary 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.
• 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.
• Thousand Moons Smithy // Barracks of the Thousand

  2WW

  Legendary Artifact // Legendary Artifact LandW

  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.