Legolas Greenleaf

Whenever this creature or another permanent
with at least three green mana symbols in his cost
enters on the batlefield put a +1+1
counter on each creature you control,
those creatures gains indestructible
and haste until end of turn.
{t}: Permanent spells you cast this turn cost
{g}{g} more to cast, this hability count as
converted mana cost in those spells.