Cinderclasm is a uncommon Instant card from Zendikar Rising (ZNR), collector number 136. Current market price: $0.16 (foil $0.29), TCGplayer market prices via Scryfall.
Kicker {R} (You may pay an additional {R} as you cast this spell.) Cinderclasm deals 1 damage to each creature. If it was kicked, it deals 2 damage to each creature instead.