Moonblood, The Night Reaper

Moonblood, The Night Reaper enters the battlefield with X +1/+1 counters.
{t}, Remove X +1/+1 counters from Moonblood, The Night Reaper: Exile target creature with converted mana cost X.
Destroy two target creatures you control: Return Moonblood, The Night Reaper from your graveyard to your hand.