Ravener is a rare Creature — Tyranid card from Warhammer 40,000 Commander (40K), collector number 138. Current market price: $0.99, TCGplayer market prices via Scryfall.
Flash Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) When this creature enters, target creature attacks target opponent this turn if able.