Creakwood Liege is a rare Creature — Horror card from Modern Masters 2015 (MM2), collector number 191. Current market price: $1.41 (foil $2.44), TCGplayer market prices via Scryfall.
Other black creatures you control get +1/+1. Other green creatures you control get +1/+1. At the beginning of your upkeep, you may create a 1/1 black and green Worm creature token.