Pyromatics is a common Instant card from Duel Decks: Izzet vs. Golgari (DDJ), collector number 20. Current market price: $0.13, TCGplayer market prices via Scryfall.
Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Pyromatics deals 1 damage to any target.