Confidence:StrongSolidPlausibleTentativeSpeculative

• The Flame of Keld

  1R

  Enchantment — SagaR

  Flamewave Invoker deals damage, and The Flame of Keld makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Time Spiral

  4UU

  SorceryU

  Time Spiral untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• City on Fire

  5RRR

  EnchantmentR

  Flamewave Invoker deals damage, and City on Fire makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Fiery Emancipation

  3RRR

  EnchantmentR

  Flamewave Invoker deals damage, and Fiery Emancipation makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Nissa, Vastwood Seer // Nissa, Sage Animist

  2G

  Legendary Creature — Elf Scout // Legendary Planeswalker — NissaG

  Nissa, Vastwood Seer untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Sawhorn Nemesis

  3R

  Creature — DinosaurR

  Flamewave Invoker deals damage, and Sawhorn Nemesis makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Rem Karolus, Stalwart Slayer

  1RW

  Legendary Creature — Human KnightRW

  Flamewave Invoker deals damage, and Rem Karolus, Stalwart Slayer makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Twinflame Tyrant

  3RR

  Creature — DragonR

  Flamewave Invoker deals damage, and Twinflame Tyrant makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Tor Wauki the Younger

  3BR

  Legendary Creature — Human ArcherBR

  Flamewave Invoker deals damage, and Tor Wauki the Younger makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Flamewave Invoker has activated abilities that aren't mana abilities, fueling Elrond, Moon-Reader's activation-trigger.
• Rewind

  2UU

  InstantU

  Rewind untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Beledros Witherbloom

  5BG

  Legendary Creature — Elder DragonBG

  Beledros Witherbloom untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Torbran, Thane of Red Fell

  1RRR

  Legendary Creature — Dwarf NobleR

  Flamewave Invoker deals damage, and Torbran, Thane of Red Fell makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Finale of Revelation

  XUU

  SorceryU

  Finale of Revelation untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Absorbing Man and Titania

  3RG

  Legendary Creature — Human VillainGR

  Flamewave Invoker deals damage, and Absorbing Man and Titania makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Gisela, Blade of Goldnight

  4RWW

  Legendary Creature — AngelRW

  Flamewave Invoker deals damage, and Gisela, Blade of Goldnight makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Spiked Corridor // Torture Pit

  3R3R

  Enchantment — Room // Enchantment — RoomR

  Flamewave Invoker deals damage, and Spiked Corridor makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Thor, Asgard's Avenger

  2RR

  Legendary Creature — God Warrior HeroR

  Flamewave Invoker deals damage, and Thor, Asgard's Avenger makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps lands, fueling Flamewave Invoker's mana-hungry effect.
• Lightning, Army of One

  1RW

  Legendary Creature — Human SoldierRW

  Flamewave Invoker deals damage, and Lightning, Army of One makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Solphim, Mayhem Dominus

  2RR

  Legendary Creature — Phyrexian HorrorR

  Flamewave Invoker deals damage, and Solphim, Mayhem Dominus makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Isengard Unleashed

  2RRR

  SorceryR

  Flamewave Invoker deals damage, and Isengard Unleashed makes each hit bigger — it doubles, triples or adds to the damage your sources deal.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps lands, fueling Flamewave Invoker's mana-hungry effect.