Bloodspore Thrinax is a rare Creature — Lizard card from Commander 2015 (C15), collector number 33. Current market price: $0.34, TCGplayer market prices via Scryfall.
Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.) Each other creature you control enters with an additional X +1/+1 counters on it, where X is the number of +1/+1 counters on this creature.