Aurelia's Fury is a mythic Instant card from Gatecrash (GTC), collector number 144. Current market price: $1.64 (foil $6.77), TCGplayer market prices via Scryfall.
Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn.