Icy Battlements

{t}: {u}
Fortify {u}{u}{u} (Exile any number of creatures
you control and put a fortified counter on them.
This card becomes a creature in addition to its
other types with power and toughness equal to
the total power and toughness of creatures exiled
with his card. This card can't attack and has
all of the abilities of cards exiled with this card.)