Rocket Hammer

When Rocket Hammer enters the battlefield,
search your library for a Reinhardt or Brigitte
and add it to your hand. when you play
Rocket Hammer, if Reinhardt is on the
battlefield you may equip it to Reinhardt. If
Reinhardt is put on to the battlefield, you may
equip Rocket Hammer to Reinhardt.
Equip {4} Equipped Creature gains Menace.
If Rocket Hammer is Equipped to Reinhardt,
you may sacrifice Rocket Hammer and activate
Reinhardt's Ult.