Confidence:StrongSolidPlausibleTentativeSpeculative

• Tolarian Kraken

  4UU

  Creature — KrakenU

  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.
• White Plume Adventurer

  2W

  Creature — Orc ClericW

  White Plume Adventurer untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Veteran Beastrider

  1GW

  Creature — Human KnightGW

  Veteran Beastrider untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• The Thirteenth Doctor

  1GU

  Legendary Creature — Time Lord DoctorGU

  The Thirteenth Doctor untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Drumbellower

  2W

  Creature — SpiritW

  Drumbellower untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Intruder Alarm

  2U

  EnchantmentU

  Intruder Alarm untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Dazzling Theater // Prop Room

  3W2W

  Enchantment — Room // Enchantment — RoomW

  Dazzling Theater untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Powerstone Minefield

  2RW

  EnchantmentRW

  Both cards trigger when a permanent attacks — they fire together.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Gideon, Martial Paragon

  4W

  Legendary Planeswalker — GideonW

  Gideon, Martial Paragon untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Ivorytusk Fortress

  2WBG

  Creature — ElephantBGW

  Ivorytusk Fortress untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Jace, Ingenious Mind-Mage

  4UU

  Legendary Planeswalker — JaceU

  Jace, Ingenious Mind-Mage untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Betor, Kin to All

  2WBG

  Legendary Creature — Spirit DragonBGW

  Betor, Kin to All untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Combat Celebrant

  2R

  Creature — Human WarriorR

  Combat Celebrant untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Village Bell-Ringer

  2W

  Creature — Human ScoutW

  Village Bell-Ringer untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Anzrag, the Quake-Mole

  2RG

  Legendary Creature — Mole GodGR

  Anzrag, the Quake-Mole untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Ahn-Crop Champion

  2GW

  Creature — Human WarriorGW

  Ahn-Crop Champion untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Sky Hussar

  3WU

  Creature — Human KnightUW

  Sky Hussar untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Grim Reaper's Sprint

  4R

  Enchantment — AuraR

  Grim Reaper's Sprint untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Raphael, Tag Team Tough

  4RR

  Legendary Creature — Mutant Ninja TurtleR

  Raphael, Tag Team Tough untaps all (or many) permanents, refreshing Frontline Sage's tap activation.
• Awakening

  2GG

  EnchantmentG

  Awakening untaps all (or many) permanents, refreshing Frontline Sage's tap activation.