M HERO Kouga

Flash, Emerge {4}{w}{w} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana cost.)
M HERO Kouga gets +1/+1 for each creature your opponents control.
{w}, Exile a HERO creature from your Graveyard: Target creature gets -X/-X until end of turn where X is the Exiled creatures power.