Mycoloth is a rare Creature — Fungus card from Commander 2015 (C15), collector number 192. Current market price: $3.69, TCGplayer market prices via Scryfall.
Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on this creature.