Sandstone Stronghold

When fortified land becomes tapped, attacking creatures you do not control gain -1/-0 until end
of turn.
{2}: Prevent up to 3 damage that would be dealt
to target blocking creature this turn.
Fortify {2} ({2}:Attach to target land you control. Fortify only as a sorcery. This card comes into play unattached and stays in play if the land leaves play.)