Alissa, Sister of Steel

Haste, vigilance, aegis 2
When Alissa enters the battlefield, you may
attach any number of Equipment.
Whenever Alissa attacks, if it has any equipment attached, you may pay {1}. If you do Alissa
gains double strike and breach until end of turn.
At the end of combat destroy all equipment
attached to Alissa. (You may have Alissa assign its
combat damage as though it weren't blocked.)