Decree of Annihilation is a rare Sorcery card from Scourge (SCG), collector number 85. Current market price: $2.27 (foil $18.18), TCGplayer market prices via Scryfall.
Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands. Cycling {5}{R}{R} ({5}{R}{R}, Discard this card: Draw a card.) When you cycle this card, destroy all lands.