Confidence:StrongSolidPlausibleTentativeSpeculative

• Time Vault

  2

  ArtifactC

  Both cards produce extra turns — their effects stack.
• Time Walk

  1U

  SorceryU

  Both cards produce extra turns — their effects stack.
• Timesifter

  5

  ArtifactC

  Both cards produce extra turns — their effects stack.
• Temporal Extortion

  BBBB

  SorceryB

  Both cards produce extra turns — their effects stack.
• Medomai the Ageless

  4WU

  Legendary Creature — SphinxUW

  Both cards produce extra turns — their effects stack.
• Ral Zarek

  2UR

  Legendary Planeswalker — RalRU

  Both cards produce extra turns — their effects stack.
• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

  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.
• Seedtime

  1G

  InstantG

  Both cards produce extra turns — their effects stack.
• Capture of Jingzhou

  3UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Part the Waterveil

  4UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Temporal Manipulation

  3UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Time Warp

  3UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Crackleburr

  1U/RU/R

  Creature — ElementalRU

  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.
• Time Sieve

  UB

  ArtifactBU

  Both cards produce extra turns — their effects stack.
• Karn's Temporal Sundering

  4UU

  Legendary SorceryU

  Both cards produce extra turns — their effects stack.
• Sunstrike Legionnaire

  1W

  Creature — Human SoldierW

  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.
• Walk the Aeons

  4UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Eon Frolicker

  2UU

  Creature — Elemental OtterU

  Both cards produce extra turns — their effects stack.
• Halo Fountain

  2W

  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.
• Alrund's Epiphany

  5UU

  SorceryU

  Both cards produce extra turns — their effects stack.
• Timestream Navigator

  1U

  Creature — Human Pirate WizardU

  Both cards produce extra turns — their effects stack.
• Notorious Throng

  3U

  Kindred Sorcery — RogueU

  Both cards produce extra turns — their effects stack.
• Twice Upon a Time // Unlikely Meeting

  4UU2U

  Sorcery // Sorcery — AdventureU

  Both cards produce extra turns — their effects stack.
• Teferi, Timebender

  4WU

  Legendary Planeswalker — TeferiUW

  Both cards produce extra turns — their effects stack.
• Nexus of Fate

  5UU

  InstantU

  Both cards produce extra turns — their effects stack.

• Completes Quintorius, Loremaster × Thornbite Staff

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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• Completes Quintorius, Loremaster × Nacre Talisman

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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• Completes Lapis Lazuli Talisman × Quintorius, Loremaster

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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• Completes Malachite Talisman × Quintorius, Loremaster

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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• Completes Hematite Talisman × Quintorius, Loremaster

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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• Completes Quintorius, Loremaster × Onyx Talisman

  Untap loop: each card untaps the other, generating arbitrary activations or mana. The pair can't keep the loop going alone — this card supplies the missing piece.

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