Tahnnakai, the Reclaimer

Whenever you cast an enchantment spell, create
a 3/1 blue Spirit creature token and put an
Essence counter on Tahnnakai, the Reclaimer.
{w}{u}{b}, {t}, Remove all Essence counters from
Tahnnakai: Sacrifice X other creatures, return
up to X target enchantment cards from your
graveyard to your hand, and you lose X life,
where X is the number of Essence counters
removed this way.