Thanatos, Silent Stalker

Partner with Aredis, Spell Eater
Deathtouch
{b/g}: Regenerate Thanatos, Silent Stalker
Thanatos, Silent Stalker enters the battlefield
with X +1/+1 counters on it.
If a creature dealt damage by Thanatos, Silent
Stalker would be put into a graveyard this turn,
exile it instead.