Tome of the Skeleton King

Equip {0}
Equipped creature gains "{t}: Summon 2 1/1 Black Skeleton creature token" and "Each time a Skeleton creature is destroyed, grant target creature +1/+1"
"The notes detailed ways to summon the bones of the fallen and how the entropy of it could destroy the world. But he would take the tome for his personal strength" - Edict of the Old World 13:19