Jzechial, the Forever Kin

0: Put X loyalty counters on Jzechial, the Forever Kin, where X is the number of Skeleton creatures you control.
-6: You gain 6 life. Then if you have more life than an opponent, create six 1/1 Black Skeleton creature tokens with Regenerate.
-16: Target opponent loses X life and you gain X life, where X is the number of Skeleton creatures you control.