Soul-Shroud Lich Lord

Shroud, Soulshift 5
Spirits and Specters you control get+1/+1.
Whenever a creature an opponent controls dies
you may pay {1}{u/b}, if you do create a 2/2 Black
Zombie creature token.
Whenever a creature card is put into, or leaves
your graveyard create a 1/1 Black and Blue Spirit
creature token with Flying.