Confidence:StrongSolidPlausibleTentativeSpeculative

• Lady Sun

  1UU

  Legendary Creature — Human AdvisorU

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

  2UU

  Creature — Human WizardU

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

  2U

  Creature — Human WizardU

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

  10UU

  Snow Creature — KrakenU

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

  LandC

  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.
• Ghost Town

  LandC

  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.
• Arcanis the Omnipotent

  3UUU

  Legendary Creature — WizardU

  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.
• Toralf, God of Fury // Toralf's Hammer

  2RR1R

  Legendary Creature — God // Legendary Artifact — EquipmentR

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

  1

  Artifact — EquipmentC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Bramble Familiar // Fetch Quest

  1G5GG

  Creature — Elemental Raccoon // Sorcery — AdventureG

  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.
• Song of the Worldsoul

  4WW

  EnchantmentW

  Both cards trigger when you cast a spell — they fire together.
• Mtenda Griffin

  3W

  Creature — GriffinW

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

  8CC

  Creature — EldraziC

  Both cards trigger when you cast a spell — they fire together.
• Cyclopean Snare

  2

  ArtifactC

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

  2R

  Enchantment — AuraRU

  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.
• Snow Hound

  2W

  Creature — DogW

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

  3UU

  EnchantmentU

  Both cards trigger when you cast a spell — they fire together.
• Suncrusher

  9

  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.
• Thawing Glaciers

  LandC

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Oboro, Palace in the Clouds

  Legendary LandU

  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.
• Ugin, Eye of the Storms

  7

  Legendary Planeswalker — UginC

  Both cards trigger when you cast a spell — they fire together.
• Riku of Many Paths

  GUR

  Legendary Creature — Human WizardGRU

  Both cards trigger when you cast a spell — they fire together.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Both cards trigger when you cast a spell — they fire together.
• Song of Creation

  1GUR

  EnchantmentGRU

  Both cards trigger when you cast a spell — they fire together.
• Runaway Steam-Kin

  1R

  Creature — ElementalR

  Both cards trigger when you cast a spell — they fire together.