Kindle the Carnage is a uncommon Sorcery card from Dissension (DIS), collector number 66. Current market price: $0.34 (foil $0.57), TCGplayer market prices via Scryfall.
Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process any number of times.