Confidence:StrongSolidPlausibleTentativeSpeculative

• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

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

  1W

  Creature — Human SoldierW

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

  2U

  EnchantmentU

  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.
• Flash Thompson, Spider-Fan

  1W

  Legendary Creature — Human CitizenW

  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.
• Deepway Navigator

  WU

  Creature — Merfolk WizardUW

  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.
• Westvale Abbey // Ormendahl, Profane Prince

  Land // Legendary Creature — DemonB

  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.
• Dominating Vampire

  1RR

  Creature — VampireR

  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.
• Sauron, the Lidless Eye

  3BR

  Legendary Creature — Avatar HorrorBR

  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.
• Transmogrant Altar

  3

  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.
• Bounding Krasis

  1GU

  Creature — Fish LizardGU

  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.
• Glamermite

  2U

  Creature — Faerie RogueU

  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.
• Karrthus, Tyrant of Jund

  4BRG

  Legendary Creature — DragonBGR

  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.
• Little Bear

  2G

  Creature — BearG

  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.
• Goatnapper

  2R

  Creature — Goblin RogueR

  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.
• Village Bell-Ringer

  2W

  Creature — Human ScoutW

  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.
• Zidane, Tantalus Thief

  3RW

  Legendary Creature — Human Mutant ScoutRW

  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.
• Hyrax Tower Scout

  2G

  Creature — Human ScoutG

  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.
• Sky Hussar

  3WU

  Creature — Human KnightUW

  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.
• Splash Lasher

  3U

  Creature — Frog 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.
• Enthralling Victor

  3R

  Creature — Human WarriorR

  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.
• Reptilian Recruiter

  3RR

  Creature — Lizard WarriorR

  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.
• Molten Primordial

  5RR

  Creature — AvatarR

  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.
• Midnight Guard

  2W

  Creature — Human SoldierW

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

  3U

  Creature — Horse FishU

  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.
• Smelt-Ward Gatekeepers

  3R

  Creature — Human WarriorR

  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.

• WithGrimgrin, Corpse-Born3UBBU

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Nurgle's RotBGenestealer Patriarch4UBaloth Prime3GThe Sibsig CeremonyBBBAvacyn's Collar1Fishing Pole1
  Show cards
• WithBlack Carriage3BBB

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Nurgle's RotBBaloth Prime3GThe Sibsig CeremonyBBBXathrid Necromancer2BAvacyn's Collar1Fishing Pole1
  Show cards
• WithChained Brute1RR

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Baloth Prime3GArchon of Sun's Grace2WWAutomated Assembly Line1WGolem Foundry3Fishing Pole1Slayer's Plate3
  Show cards
• WithMarjhan5UUU

  Untap loop: each card untaps the other, generating arbitrary activations or mana. These two can't keep the loop going alone — add one of these to complete it:

  Genestealer Patriarch4UBaloth Prime3GMechan Assembler4UArchon of Sun's Grace2WWAvacyn's Collar1Fishing Pole1
  Show cards