Sly Saboteur

If Sly Saboteur would be dealt damage, instead
gain control of target permanent controlled by
the player who controls the source dealing
damage to Sly Saboteur.
Stalk {4}{u}{u} (At the end of each block step, if there
is an unblocked creature attacking you, you may cast
this card for its stalk cost. If you do, choose an
unblocked creature attacking you. This creature blocks
that creature.)