Confidence:StrongSolidPlausibleTentativeSpeculative

• Formidable Speaker

  2G

  Creature — Elf DruidG

  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.
• Saryth, the Viper's Fang

  2GG

  Legendary Creature — Human WarlockG

  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.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps all (or many) permanents, refreshing A-Hall of Tagsin's tap activation.
• Wilderness Reclamation

  3G

  EnchantmentG

  Wilderness Reclamation untaps all (or many) permanents, refreshing A-Hall of Tagsin's tap activation.
• Sword of Feast and Famine

  3

  Artifact — EquipmentC

  Sword of Feast and Famine untaps all (or many) permanents, refreshing A-Hall of Tagsin's tap activation.
• Hope Tender

  1G

  Creature — Human DruidG

  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.
• Beledros Witherbloom

  5BG

  Legendary Creature — Elder DragonBG

  Beledros Witherbloom untaps all (or many) permanents, refreshing A-Hall of Tagsin's tap activation.
• Nature's Will

  2GG

  EnchantmentG

  Nature's Will untaps all (or many) permanents, refreshing A-Hall of Tagsin's tap activation.
• Emrakul, the Exigent Doom

  10

  Legendary Creature — EldraziC

  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.
• Wakeroot Elemental

  4GG

  Creature — ElementalG

  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.
• Deserted Temple

  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.
• The Soul Stone

  1B

  Legendary Artifact — Infinity StoneB

  Mana loop: net-positive mana cycle between the two cards.
• Ojer Taq, Deepest Foundation // Temple of Civilization

  4WW

  Legendary Creature — God // LandW

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

  1G

  Creature — Human DruidG

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

  1G

  Creature — Squirrel RangerG

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

  1

  ArtifactC

  Mana loop: net-positive mana cycle between the two cards.
• Aclazotz, Deepest Betrayal // Temple of the Dead

  3BB

  Legendary Creature — Bat God // LandB

  Mana loop: net-positive mana cycle between the two cards.
• The Legend of Roku // Avatar Roku

  2RR

  Enchantment — Saga // Legendary Creature — AvatarR

  Mana loop: net-positive mana cycle between the two cards.
• Fanatic of Rhonas

  1G

  Creature — Snake DruidG

  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.
• Ashnod, Flesh Mechanist

  B

  Legendary Creature — Human ArtificerB

  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.
• Gilded Goose

  G

  Creature — BirdG

  Mana loop: net-positive mana cycle between the two cards.
• Fire Nation Cadets

  R

  Creature — Human SoldierR

  Mana loop: net-positive mana cycle between the two cards.
• Sidequest: Catch a Fish // Cooking Campsite

  2W

  Enchantment // LandW

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