Confidence:StrongSolidPlausibleTentativeSpeculative

• Crackleburr

  1U/RU/R

  Creature — ElementalRU

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• Knacksaw Clique

  3U

  Creature — Faerie RogueU

  Untap loop: each side can untap what the other taps — a genuine mutual refresh engine.
• 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.
• 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.
• God-Eternal Oketra

  3WW

  Legendary Creature — Zombie GodW

  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.
• Sarkhan's Unsealing

  3R

  EnchantmentR

  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.
• 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.
• 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.
• 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.
• Lavinia, Foil to Conspiracy

  1W/UW/U

  Legendary Creature — Human DetectiveUW

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

  XX

  ArtifactC

  Both cards trigger when you cast a spell — they fire together.
• Fire Lord Azula

  1UBR

  Legendary Creature — Human NobleBRU

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

  1R

  ArtifactR

  Both cards trigger when you cast a spell — they fire together.
• Gale, Waterdeep Prodigy

  2U

  Legendary Creature — Human WizardU

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