Orim's Thunder is a common Instant card from Commander 2015 (C15), collector number 78. Current market price: $0.27, TCGplayer market prices via Scryfall.
Kicker {R} (You may pay an additional {R} as you cast this spell.) Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent's mana value to target creature.