Yasutane, Beholden to Death

First strike, deathtouch, lifelink
Whenever a creature dealt damage by Yasutane, Beholden to Death this turn dies, exile it and
put three +1/+1 counters on Yasutane.
{w}{b}{r}: Put target card exiled with Yasutane
into its owners graveyard. Each opponent loses
life equal to its mana value, and you gain
that much life.