Storm the Citadel is a uncommon Sorcery card from War of the Spark (WAR), collector number 178. Current market price: $0.12 (foil $0.52), TCGplayer market prices via Scryfall.
Until end of turn, creatures you control get +2/+2 and gain "Whenever this creature deals combat damage to a player or planeswalker, destroy target artifact or enchantment defending player controls."