Storrev, Devkarin Lich is a rare Legendary Creature — Zombie Elf Wizard card from War of the Spark Promos (PWAR), collector number 219p. Current market price: $0.98 (foil $1.37), TCGplayer market prices via Scryfall.
Trample Whenever Storrev deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat.