Barrier Shield

When Barrier Shield enters the battlefield,
search your library for a Reinhardt or Brigitte
and add it to your hand. when you play
Barrier Shield, if Brigitte is on the
battlefield you may equip it to Brigitte. If
Brigitte is put on to the battlefield, you may
equip Barrier Shield to Brigitte.
Equip {4} Equipped Creature gains +0/+5.
If Barrier Shield is Equipped to Brigitte,
you may sacrifice Barrier Shield and activate
Brigitte's Ult.