Greyson, Student Stitcher

: Greyson, Student Stitcher can be your commander. When a creature you control dies make a 1/1 black Zombie token.
+1: Sacrifice a nontoken creature you control and create 3 1/1 black Zombie tokens.
-9: Create a blue Stitched One creature token with all abilities, and power and toughness equal to power and toughness of creatures sacrificed.