Galeb, Outcast Earthshaper

As long as lands you control are creatures, they
have +1/+1.
Mountains you control have +1/+0 and trample.
Forests you control have +0/+1 and vigilance.
Nonbasic lands you control have +1/+1
{r}{r}{g}{g}: Lands you control become 0/0
creatures until the end of turn.