Quenchable Fire is a common Sorcery card from Conflux (CON), collector number 70. Current market price: $0.04 (foil $0.25), TCGplayer market prices via Scryfall.
Quenchable Fire deals 3 damage to target player or planeswalker. It deals an additional 3 damage to that player or planeswalker at the beginning of your next upkeep step unless that player or that planeswalker's controller pays {U} before that step.