Bellowing Tanglewurm is a uncommon Creature — Wurm card from Scars of Mirrodin (SOM), collector number 111. Current market price: $0.81 (foil $7.90), TCGplayer market prices via Scryfall.
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Other green creatures you control have intimidate.