Silver Shield

{w}:Prevent the next 1 damage that would be dealt
to target creature or player this turn.
{1}{u}: Tap target creature or artifact.
{3}{u}{b}: Choose an instant or sorcery spell from
outside the game, reveal it, then put it into your
hand. You may cast this spell without paying its
mana cost until the end of the turn. If you cast
this spell before the end of the turn, you lose life
equal to the converted mana cost of the spell.