marath, will of the wild enters the battlefield 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; or marath deals x damage to target creature or player; or put an x/x green elemental creature token onto the battlefield. x can't be 0.
