Reincarnation of Gaea

Reincarnation of Gaea power and toughness are
each equal to the numer of land you control
Creatures you control get+1/+1 for Each Land
you control
{0}:You may put a forest from your hand onto the battlefield activate this ability only
any time you could cast a creature spell
Sacrifice a Land Add {G} {G}
Whenever you cast a creature spell with power 3
or greater draw a card