Confidence:StrongSolidPlausibleTentativeSpeculative

• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Paradox Engine

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Blinkmoth Infusion

  12UU

  InstantU

  Blinkmoth Infusion untaps all (or many) permanents, refreshing Myr Reservoir's tap activation.
• Instrument of the Bards

  G

  Legendary ArtifactG

  Mana loop: net-positive mana cycle between the two cards.
• Reckless Lackey

  R

  Creature — Goblin PirateR

  Mana loop: net-positive mana cycle between the two cards.
• Mr. House, President and CEO

  RWB

  Legendary Artifact Creature — HumanBRW

  Mana loop: net-positive mana cycle between the two cards.
• Currency Converter

  1

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Stark Industries Executive

  R

  Creature — Human AdvisorR

  Mana loop: net-positive mana cycle between the two cards.
• Forsworn Paladin

  B

  Creature — Human KnightB

  Mana loop: net-positive mana cycle between the two cards.
• Fain, the Broker

  2B

  Legendary Creature — Human WarlockB

  Mana loop: net-positive mana cycle between the two cards.
• Ashnod, Flesh Mechanist

  B

  Legendary Creature — Human ArtificerB

  Mana loop: net-positive mana cycle between the two cards.
• Wizard's Rockets

  1

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Gleaming Splendor

  1W

  EnchantmentW

  Mana loop: net-positive mana cycle between the two cards.
• Voltaic Key

  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.
• Petalmane Baku

  1G

  Creature — SpiritG

  Mana loop: net-positive mana cycle between the two cards.
• Contested Game Ball

  2

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Discerning Financier

  2W

  Creature — Human NobleW

  Mana loop: net-positive mana cycle between the two cards.
• Thran Spider

  3

  Artifact Creature — SpiderC

  Mana loop: net-positive mana cycle between the two cards.
• Tavern Scoundrel

  1R

  Creature — Human RogueR

  Mana loop: net-positive mana cycle between the two cards.
• Redshift, Rocketeer Chief

  RG

  Legendary Creature — Goblin PilotGR

  Mana loop: net-positive mana cycle between the two cards.
• Treasure Dredger

  1B

  Creature — Human RogueB

  Mana loop: net-positive mana cycle between the two cards.