Beast Claw is a level 2 spell from the Priest Scroll in Icewind Dale, which was added with Heart of Winter.
Description[]
| “ | This spell transforms the caster's arms into the claws of a mighty beast, giving the caster 18/72 Strength and the ability to rake an opponent for 2d4 (plus Strength bonus) points of slashing damage. The caster can attack twice per round with the beast claws, with a +2 bonus to hit. | ” |