Eztli Balhar, the Ravenous

Eztli Balhar, the Ravenous does not untap during
your untap step.
Trample
Sacrifice another creature: Untap Eztli Balhar.
You lose life equal to half that creature's
toughness rounded up, and a target creature you control gets +X/+0 until end of turn, where X is
equal to the amount of life you lost this turn this
way.
Exile three creature cards from your graveyard:
Target opponent sacrifices a creature.