Confidence:StrongSolidPlausibleTentativeSpeculative

• 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.
• Zurgo Stormrender

  RWB

  Legendary Creature — Orc WarriorBRW

  Both cards produce the same kind of effect (shared token subtype).
• Voice of Victory

  1W

  Creature — Human BardW

  Both cards produce the same kind of effect (shared token subtype).
• Thranduil, Sindarin Liege // Silvan Rally

  2G/UG/U1G/UG/U

  Legendary Creature — Elf Noble // Sorcery — AdventureGU

  Both cards produce the same kind of effect (shared token subtype).
• Veteran Beastrider

  1GW

  Creature — Human KnightGW

  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.
• Conclave Cavalier

  GGWW

  Creature — Centaur KnightGW

  Both cards produce the same kind of effect (shared token subtype).
• Assure // Assemble

  G/WG/W4GW

  Instant // InstantGW

  Both cards produce the same kind of effect (shared token subtype).
• Plargg, Dean of Chaos // Augusta, Dean of Order

  1R2W

  Legendary Creature — Orc Shaman // Legendary Creature — Human ClericRW

  Plargg, Dean of Chaos untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Dazzling Theater // Prop Room

  3W2W

  Enchantment — Room // Enchantment — RoomW

  Dazzling Theater untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Jorn, God of Winter // Kaldring, the Rimestaff

  2G1UB

  Legendary Snow Creature — God // Legendary Snow ArtifactBGU

  Jorn, God of Winter untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• 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.
• Mardu Thunderkite

  RWB

  Creature — DragonBRW

  Both cards produce the same kind of effect (shared token subtype).
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Stadium Headliner

  R

  Creature — Goblin WarriorR

  Both cards produce the same kind of effect (shared token subtype).
• 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.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Ivorytusk Fortress

  2WBG

  Creature — ElephantBGW

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

  4UU

  Legendary Planeswalker — JaceU

  Jace, Ingenious Mind-Mage untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Thorn Lieutenant

  1G

  Creature — Elf WarriorG

  Both cards produce the same kind of effect (shared token subtype).
• Bone-Cairn Butcher

  1RWB

  Creature — DemonBRW

  Both cards produce the same kind of effect (shared token subtype).
• Betor, Kin to All

  2WBG

  Legendary Creature — Spirit DragonBGW

  Betor, Kin to All untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Avenger of the Fallen

  2B

  Creature — Human WarriorB

  Both cards produce the same kind of effect (shared token subtype).
• Unforgiving Aim

  2G

  InstantG

  Both cards produce the same kind of effect (shared token subtype).
• Aurelia, the Warleader

  2RRWW

  Legendary Creature — AngelRW

  Aurelia, the Warleader untaps all (or many) permanents, refreshing A-Tyvar Kell's tap activation.
• Sprouting Renewal

  2G

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).