Confidence:StrongSolidPlausibleTentativeSpeculative

• Dreamtide Whale

  2U

  Creature — WhaleU

  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.
• Brought Back

  WW

  InstantW

  Brought Back returns creatures from the graveyard to the battlefield, re-firing Spellweaver Helix's enter-the-battlefield effect.
• Sarkhan's Unsealing

  3R

  EnchantmentR

  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.
• 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.
• Speedball, New Warrior

  2U/R

  Legendary Creature — Human HeroRU

  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.
• Mai, Scornful Striker

  1B

  Legendary Creature — Human Noble AllyB

  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.
• Rory Williams

  WU

  Legendary Creature — Human SoldierUW

  Both cards trigger when you cast a spell — they fire together.
• Ruric Thar, the Unbowed

  4RG

  Legendary Creature — Ogre WarriorGR

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

  3WW

  Creature — Bird SoldierW

  Both cards trigger when you cast a spell — they fire together.
• Erayo, Soratami Ascendant // Erayo's Essence

  1U

  Legendary Creature — Moonfolk Monk // Legendary EnchantmentU

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

  W

  SorceryW

  Jolted Awake returns creatures from the graveyard to the battlefield, re-firing Spellweaver Helix's enter-the-battlefield effect.
• Eidolon of the Great Revel

  RR

  Enchantment Creature — SpiritR

  Both cards trigger when you cast a spell — they fire together.
• Reki, the History of Kamigawa

  2G

  Legendary Creature — Human ShamanG

  Both cards trigger when you cast a spell — they fire together.
• Ajani, Sleeper Agent

  1GG/W/PW

  Legendary Planeswalker — AjaniGW

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

  2W/BW/BW/B

  Creature — HorrorBW

  Both cards trigger when you cast a spell — they fire together.
• The Beast, Deathless Prince

  2BR

  Legendary Creature — DemonBR

  Both cards trigger when you cast a spell — they fire together.
• Arixmethes, Slumbering Isle

  2GU

  Legendary Creature — KrakenGU

  Both cards trigger when you cast a spell — they fire together.
• Tameshi, Reality Architect

  2U

  Legendary Creature — Moonfolk WizardUW

  Tameshi, Reality Architect returns creatures from the graveyard to the battlefield, re-firing Spellweaver Helix's enter-the-battlefield effect.
• Phelia, Exuberant Shepherd

  1W

  Legendary Creature — DogW

  Phelia, Exuberant Shepherd blinks (exiles and returns) a permanent, re-firing Spellweaver Helix's enter-the-battlefield effect.
• Goblin Engineer

  1R

  Creature — Goblin ArtificerR

  Goblin Engineer returns creatures from the graveyard to the battlefield, re-firing Spellweaver Helix's enter-the-battlefield effect.