Skith Marrow The Tomb King

{b} create X amount of black 7/1
Skeletons named Skeletal Twister
Where X is the number of skeletons
You control.skeletons you control
Have wither.whenever a creature with a -1/-1 on it dies you gain 1 life.
You may pay X life create a Black X/1
Skeleton Giant. sacrifice a creature
Draw a card and gain 2 life.