Marath, Will of the Wild is a mythic Legendary Creature — Elemental Beast card from Commander 2013 (C13), collector number 198. Current market price: $0.71, TCGplayer market prices via Scryfall.
Marath enters with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. {X}, Remove X +1/+1 counters from Marath: Choose one — • Put X +1/+1 counters on target creature. X can't be 0. • Marath deals X damage to any target. X can't be 0. • Create an X/X green Elemental creature token. X can't be 0.