Vacant Tenement

{t}: Add {c}.
Inhabit 2 (Tap any number of creatures you
control with total power 2 or more: This land
becomes a creature until end of turn.)
As long as Vacant Tenement is a creature, its
toughness is equal to the total toughness of
the creatures that inhabited it and it has
defender and "This creature can block four
additional creatures each combat."