Hold priority on that and cast Lightning Bolt or whatever spell you want to loop (Swan Song or Twinflame can make for infinite creatures too) and then let the stack begin to resolve
Creatures (27) 4 Captain Lannery Storm 3 Rona, Disciple of Gix 1 Torgaar, Famine Incarnate 4 Diligent Excavator 4 Stitcher's Supplier 3 Lazav, the Multifarious 4 Judith, the Scourge Diva 4 Teysa Karlov Lands (24) Spells (9) Even if it is right to call this deck ambitious, theres a lot of stuff trying to tie it together
Goblin Electromancer Ornithopter of Paradise Izzet Signet Thought Vessel Talisman of Creativity Cursed Mirror Enthusiastic Mechanaut Galzeth Prismari Bilbo, Retired Burglar Storm the Vault Sorcerer Class Vadrik, Astral Archmage Herald of Kozilek Rowan, Scholar of Sparks / Will, Scholar of Frost Kaza, Roil Chaser Mizzix of the Izamagnus Mana Geyser Etherium Sculptor Removal It's no surprise that red likes to deal damage, but throw blue into the mix, and you'll often find your damage paired with drawing cards of countering spells
Thus, I can counter two spells with this one creature