Cass, Hand of Vengeance is a rare Legendary Creature — Human Ranger card from Fallout (PIP), collector number 938. Current market price: — (foil $2.70), TCGplayer market prices via Scryfall.
Vigilance Whenever Cass or another creature you control dies, if it was enchanted or equipped, return any number of Aura cards that were attached to it from your graveyard to the battlefield attached to target creature, then attach any number of Equipment that were attached to it to that creature.