Confidence:StrongSolidPlausibleTentativeSpeculative

• Dragonsoul Prodigy

  2R

  Creature — Human MonkR

  Both cards trigger when you cast a spell — they fire together.
• Ajani, Sleeper Agent

  1GG/W/PW

  Legendary Planeswalker — AjaniGW

  Both cards trigger when you cast a spell — they fire together.
• Jace, Ingenious Mind-Mage

  4UU

  Legendary Planeswalker — JaceU

  Jace, Ingenious Mind-Mage untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Exhibition Tidecaller

  U

  Creature — Djinn WizardU

  Both cards trigger when you cast a spell — they fire together.
• Aggravated Assault

  2R

  EnchantmentR

  Aggravated Assault untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Veteran Beastrider

  1GW

  Creature — Human KnightGW

  Veteran Beastrider untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Intruder Alarm

  2U

  EnchantmentU

  Intruder Alarm untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Quicksilver Servitor

  2U

  Creature — Phyrexian ClericU

  Both cards trigger when you cast a spell — they fire together.
• Loki, God of Lies

  1RR

  Legendary Creature — God Sorcerer VillainR

  Both cards trigger when you cast a spell — they fire together.
• Dazzling Theater // Prop Room

  3W2W

  Enchantment — Room // Enchantment — RoomW

  Dazzling Theater untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Orvar, the All-Form

  3U

  Legendary Creature — ShapeshifterU

  Both cards trigger when you cast a spell — they fire together.
• Spectacular Skywhale

  2UR

  Creature — Elemental WhaleRU

  Both cards trigger when you cast a spell — they fire together.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Zimone, Infinite Analyst

  1GU

  Legendary Creature — Human WizardGU

  Both cards trigger when you cast a spell — they fire together.
• Ivorytusk Fortress

  2WBG

  Creature — ElephantBGW

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

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Flux Channeler

  2U

  Creature — Human WizardU

  Both cards trigger when you cast a spell — they fire together.
• 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 Tempest Trapper's tap activation.
• Diligent Excavator

  1U

  Creature — Human ArtificerU

  Both cards trigger when you cast a spell — they fire together.
• Aang, the Last Airbender

  3W

  Legendary Creature — Human Avatar AllyW

  Both cards trigger when you cast a spell — they fire together.
• Najeela, the Blade-Blossom

  2R

  Legendary Creature — Human WarriorBGRUW

  Najeela, the Blade-Blossom untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• Glacierwood Siege

  1GU

  EnchantmentGU

  Both cards trigger when you cast a spell — they fire together.
• Betor, Kin to All

  2WBG

  Legendary Creature — Spirit DragonBGW

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

  2R

  Creature — Human WarriorR

  Combat Celebrant untaps all (or many) permanents, refreshing Tempest Trapper's tap activation.
• A-Lapis Orb of Dragonkind

  2U

  ArtifactU

  Both cards trigger when you cast a spell — they fire together.