Halphas, Awakened Lich Lord

Shield 3 (Whenever this creature is dealt damage, prevent it. And when this creature becomes the target of a spell or ability, exile it.
Then remove a shield counter. )
Deathtouch, lifelink.
{w}{p/w}{t}: Put a -1/-1 counter on each creature you don't control, then gain 2 life for every creature that died this turn.
At the beginning of your upkeep, put a shield counter on Halphas.