Arkyxx, Sage of the Undead

This spell cannot be countered.
Deathtouch, first strike
{1}{b}{b}{b}: Return target creature from your
graveyard to the battlefield under your control
with two -1/-1 counters on it. You lose four life.
{1}{b}{b}{b}: Sage of the Undead gets +1+0 until
end of turn.