Confidence:StrongSolidPlausibleTentativeSpeculative

• Kasla, the Broken Halo

  3URW

  Legendary Creature — Angel AllyRUW

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

  4WW

  EnchantmentW

  Both cards trigger when you cast a spell — they fire together.
• Flayer of Loyalties

  8CC

  Creature — EldraziC

  Both cards trigger when you cast a spell — they fire together.
• Witch-Maw Nephilim

  GWUB

  Creature — NephilimBGUW

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

  3W

  Creature — Elephant ClericW

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

  3UU

  EnchantmentU

  Both cards trigger when you cast a spell — they fire together.
• Gandalf of the Secret Fire

  1URW

  Legendary Creature — Avatar WizardRUW

  Both cards trigger when you cast a spell — they fire together.
• 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.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Both cards trigger when you cast a spell — they fire together.
• Song of Creation

  1GUR

  EnchantmentGRU

  Both cards trigger when you cast a spell — they fire together.
• Runaway Steam-Kin

  1R

  Creature — ElementalR

  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.
• 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.
• Tinybones Joins Up

  B

  Legendary EnchantmentB

  Jadzi, Oracle of Arcavios bounces a permanent, enabling Tinybones Joins Up's recast / spell-cast trigger.
• Brigone, Soldier of Meletis

  1W

  Legendary Creature — Human SoldierW

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

  4B

  EnchantmentB

  Jadzi, Oracle of Arcavios bounces a permanent, enabling Spreading Plague's recast / spell-cast trigger.
• 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.
• Quintorius Kand

  3RW

  Legendary Planeswalker — QuintoriusRW

  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.
• Season of Growth

  1G

  EnchantmentG

  Jadzi, Oracle of Arcavios bounces a permanent, enabling Season of Growth's recast / spell-cast trigger.