Confidence:StrongSolidPlausibleTentativeSpeculative

• Ugin, Eye of the Storms

  7

  Legendary Planeswalker — UginC

  Both cards trigger when you cast a spell — they fire together.
• Riku of Many Paths

  GUR

  Legendary Creature — Human WizardGRU

  Both cards trigger when you cast a spell — they fire together.
• Agrus Kos, Spirit of Justice

  2RW

  Legendary Creature — Spirit DetectiveRW

  Storm of Forms bounces a permanent, enabling Agrus Kos, Spirit of Justice's recast / spell-cast trigger.
• Song of Creation

  1GUR

  EnchantmentGRU

  Both cards trigger when you cast a spell — they fire together.
• Jenson Carthalion, Druid Exile

  GW

  Legendary Creature — Human DruidBGRUW

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

  1U

  Creature — Phyrexian RogueU

  Both cards trigger when you cast a spell — they fire together.
• Geometer's Arthropod

  GU

  Creature — Fractal CrabGU

  Both cards trigger when you cast a spell — they fire together.
• Nicol Bolas, the Ravager // Nicol Bolas, the Arisen

  1UBR

  Legendary Creature — Elder Dragon // Legendary Planeswalker — BolasBRU

  Storm of Forms bounces a permanent, enabling Nicol Bolas, the Ravager's recast / spell-cast trigger.
• Phlage, Titan of Fire's Fury

  1RW

  Legendary Creature — Elder GiantRW

  Storm of Forms bounces a permanent, enabling Phlage, Titan of Fire's Fury's recast / spell-cast trigger.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Both cards trigger when you cast a spell — they fire together.
• Prosper, Tome-Bound

  2BR

  Legendary Creature — Tiefling WarlockBR

  Both cards trigger when you cast a spell — they fire together.
• Brigone, Soldier of Meletis

  1W

  Legendary Creature — Human SoldierW

  Both cards trigger when you cast a spell — they fire together.
• Cleon, Merry Champion

  2R

  Legendary Creature — Human SoldierR

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

  1UR

  Creature — Elemental BirdRU

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

  XGG

  Creature — Plant HydraG

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

  1W

  Creature — Human DetectiveW

  Storm of Forms bounces a permanent, enabling Serene Sleuth's recast / spell-cast trigger.
• Cosmic Crucible

  4GU

  EnchantmentGU

  Both cards trigger when you cast a spell — they fire together.
• Lord of the Nazgûl

  3UB

  Legendary Creature — Wraith NobleBU

  Both cards trigger when you cast a spell — they fire together.
• Chandra, Hope's Beacon

  4RR

  Legendary Planeswalker — ChandraR

  Both cards trigger when you cast a spell — they fire together.
• Bebop, Skull & Crossbones

  1B

  Legendary Creature — Boar MutantB

  Storm of Forms bounces a permanent, enabling Bebop, Skull & Crossbones's recast / spell-cast trigger.
• Voltaic Visionary // Volt-Charged Berserker

  1R

  Creature — Human Wizard // Creature — Human BerserkerR

  Both cards trigger when you cast a spell — they fire together.
• Pia Nalaar, Consul of Revival

  RW

  Legendary Creature — Human ArtificerRW

  Both cards trigger when you cast a spell — they fire together.
• Shiko and Narset, Unified

  1URW

  Legendary Creature — Human Spirit DragonRUW

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

  UBB

  Creature — Elemental NightmareBU

  Both cards trigger when you cast a spell — they fire together.
• Speedball, New Warrior

  2U/R

  Legendary Creature — Human HeroRU

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