Assault Suit

Equipped creature gets +2/+2, has Haste, can't
attack you or Planeswalkers you control, and
can't be sacrificed.
At the beginning of each opponent's upkeep,
you may have that player gain control of
equipped creature until end of turn. If you do,
untap it.
"GO TO SLEEP, GO TO SLEEP, GO TO
SLEEP!!"
-Tony Stark