Confidence:StrongSolidPlausibleTentativeSpeculative

• Summoner's Sending

  1W

  EnchantmentW

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

  1GGGG

  SorceryG

  Both cards produce the same kind of effect (shared token subtype).
• Isshin, Two Heavens as One

  RWB

  Legendary Creature — Human SamuraiBRW

  Isshin, Two Heavens as One makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Windcrag Siege

  1RW

  EnchantmentRW

  Windcrag Siege makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Kykar, Wind's Fury

  1URW

  Legendary Creature — Bird WizardRUW

  Both cards produce the same kind of effect (shared token subtype).
• Antiquities on the Loose

  1WW

  SorceryW

  Both cards produce the same kind of effect (shared token subtype).
• Wulfgar of Icewind Dale

  3RG

  Legendary Creature — Human BarbarianGR

  Wulfgar of Icewind Dale makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Quintorius, Loremaster

  3RW

  Legendary Creature — Elephant ClericRW

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

  3RW

  Legendary Creature — Dwarf ClericRW

  Both cards produce the same kind of effect (shared token subtype).
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Baboon Spirit

  2U

  Creature — Monkey SpiritU

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

  1W

  EnchantmentW

  Both cards produce the same kind of effect (shared token subtype).
• Thalia's Geistcaller

  2W

  Creature — Human ClericW

  Both cards produce the same kind of effect (shared token subtype).
• Sekki, Seasons' Guide

  5GGG

  Legendary Creature — SpiritG

  Both cards produce the same kind of effect (shared token subtype).
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Oyobi, Who Split the Heavens

  6W

  Legendary Creature — SpiritW

  Both cards produce the same kind of effect (shared token subtype).
• Millicent, Restless Revenant

  5WU

  Legendary Creature — Spirit SoldierUW

  Both cards produce the same kind of effect (shared token subtype).
• Quintorius, Field Historian

  3RW

  Legendary Creature — Elephant ClericRW

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

  WUB

  EnchantmentBUW

  Both cards produce the same kind of effect (shared token subtype).
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Descendant of Storms's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• King of the Oathbreakers

  2WB

  Legendary Creature — Spirit NobleBW

  Both cards produce the same kind of effect (shared token subtype).
• Dorothea, Vengeful Victim // Dorothea's Retribution

  WU

  Legendary Creature — Spirit // Enchantment — AuraUW

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

  2

  ArtifactC

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

  5WW

  Creature — Spirit KnightW

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