Rush of Dread is a rare Sorcery card from Outlaws of Thunder Junction (OTJ), collector number 327. Current market price: $1.30 (foil $1.84), TCGplayer market prices via Scryfall.
Spree (Choose one or more additional costs.) + {1} — Target opponent sacrifices half the creatures they control of their choice, rounded up. + {2} — Target opponent discards half the cards in their hand, rounded up. + {2} — Target opponent loses half their life, rounded up.