Peh Ztatz, the Earthhide

Peh Ztatz, the Earthhide is all basic land types.
Peh Ztatz can't attack as long as you don't
control a basic Plains, Island, Swamp, Mountian,
Forest, and Wastes.
{t}: Add 10 mana of any color
Peh Ztatz can't have or gain haste, and can only
be untapped during the untap step.
Indestructible, Shroud
Peh Ztatz's power and toughness is equal to the
number of lands you control.