Wasteland Viper is a uncommon Creature — Snake card from Gatecrash (GTC), collector number 139. Current market price: $0.29 (foil $2.87), TCGplayer market prices via Scryfall.
Deathtouch Bloodrush — {G}, Discard this card: Target attacking creature gets +1/+2 and gains deathtouch until end of turn.