Reyka Blackwing, Fallen Angel

Flying, lifelink
Reyka Blackwing, Fallen Angel has double strike
as long as you control Xerzdreg, Soul Mizer.
Creature tokens you control get +1/+1
"Tortured of both body and mind, Reyka's decent into madness, perverted her to the very core. Lovingly she
now guards the evil she once tried to slay."
— Notes from Seranox's journal