Jammecs, Calcium King

{w/b}{r}, {t}: Sacrifice any number of Skeletons
you control. You gain that much life and Jammecs, Calcium King deals that much damage to target creature, planeswalker or battle.
You may cast Skeleton creature spells from your graveyard. They cost {1} more to cast.
"Among the dead, there are kings and heroes just
as among you who breath. I am them."