Gaea, Soul of the World

Gaea, Soul of the World's power and toughness is
equal to the number of lands you control.
If you control a Forest, Gaea has trample.
If you control a Mountain, Gaea has doublestrike.
If you control a Swamp, Gaea has deathtouch.
If you control a Plains, Gaea has lifelink.
If you control a Island, Gaea has hexproof.