Cortana, UNSC A.I.

Partner with Master Chief, UNSC Spartan
Bestow {1}{w}{u}
Vigilance
Cortana, UNSC A.I. and enchanted creature
each get "Whenever this creature deals combat
damage to a player, you may draw a card."
Enchanted creature gets +2/+2, has vigilance,
and loses defender.
"Wake up, Chief. I need you."
—Cortana