Nebula born of the gods

When a enchantment enters the battlefield under
your control create a 1/1 wolf creature token
gain 1 life and draw a card.
Enchantments have {t} add 1 mana of any color.
{w}{w}{u}{u}{g}{g} Nebula gets x/x and gains trample
and lifelink until end of turn were x is the number
of enchantments you control.