Ghanix, Majestic Predator

Whenever another nontoken creature enters the
battlefield under your control, you gain 2 life,
then put a +1/+1 counter on Ghanix, Majestic Predator.
Whenever an enchantment enters the battlefield
under your control, draw a card.
Whenever a land enters the battlefield under
your control, add one mana of any color.