Confidence:StrongSolidPlausibleTentativeSpeculative

• Invasion of Segovia // Caetus, Sea Tyrant of Segovia

  2U

  Battle — Siege // Legendary Creature — SerpentU

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

  3U

  Creature — WormU

  Both cards produce the same kind of effect (shared token subtype).
• Kiora, the Crashing Wave

  2GU

  Legendary Planeswalker — KioraGU

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

  1U

  EnchantmentU

  Both cards produce the same kind of effect (shared token subtype).
• Kiora Bests the Sea God

  5UU

  Enchantment — SagaU

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

  4RR

  Legendary Planeswalker — ChandraR

  Chandra, Flamecaller deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Jack of Hearts, Volatile Hero

  1RR

  Legendary Creature — Alien Human HeroR

  Jack of Hearts, Volatile Hero deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

  Godo, Bandit Warlord grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• All-Out Assault

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Balthier and Fran grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Bruce Banner // The Incredible Hulk

  U2RRGG

  Legendary Creature — Human Scientist Hero // Legendary Creature — Gamma Berserker HeroGRU

  Bruce Banner grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Nylea's Intervention

  XGG

  SorceryG

  Nylea's Intervention deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Molten Impact

  1R

  SorceryR

  Molten Impact produces broad damage that redirects through Kiora, the Tide's Fury into something useful.
• Subterranean Tremors

  XR

  SorceryR

  Subterranean Tremors deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Fear of Missing Out

  1R

  Enchantment Creature — NightmareR

  Fear of Missing Out grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Heaven // Earth

  XGXRR

  Instant // SorceryGR

  Heaven deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Spiteful Banditry

  XRR

  EnchantmentR

  Spiteful Banditry deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Nibelheim Aflame

  2RR

  SorceryR

  Nibelheim Aflame deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Jaya, Fiery Negotiator

  2RR

  Legendary Planeswalker — JayaR

  Jaya, Fiery Negotiator produces broad damage that redirects through Kiora, the Tide's Fury into something useful.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Magmaquake

  XRR

  InstantR

  Magmaquake deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Immolating Gyre

  4RR

  SorceryR

  Immolating Gyre deals damage to many targets, fueling Kiora, the Tide's Fury's damage-payoff trigger.
• Aurelia, the Warleader

  2RRWW

  Legendary Creature — AngelRW

  Aurelia, the Warleader grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.
• Combat Celebrant

  2R

  Creature — Human WarriorR

  Combat Celebrant grants an extra combat phase, enabling Kiora, the Tide's Fury's combat-trigger payoff.