Velissian, Slaanesh's Disciple

Whenever an attacking Chaos Cultist, Cleric, or
Astartes creature you control dies or you cascade,
put two +1/+1 counters on Velissian, Slaanesh's
Disciple.
{b}{r}, remove six +1/+1 counters from Velissian:
target player draws three cards and loses
three life.
"At the end of the day, to get anywhere, you only
have to give everything."