Misak, Forest Whisperer

Vigilance
Whenever a creature enters the battlefield under
your control, put 2 {e} counters on Masik, Forest Whisperer.
{x}{t}: Remove X {e} counters from Misak, Forest Whisperer and cast a creature card from your hand
with its converted mana cost equal to the number
of {e} you paid without paying its mana cost.