Screeching Scorchbeast is a rare Creature — Bat Mutant card from Fallout (PIP), collector number 49. Current market price: $1.72 (foil $3.46), TCGplayer market prices via Scryfall.
Flying, menace Whenever this creature attacks, each player gets two rad counters. Whenever one or more nonland cards are milled, you may create that many 2/2 black Zombie Mutant creature tokens. Do this only once each turn.