Xarri, Daughter of Belzenlok

You may pay {1} less for each life lost by a player
this turn.
Lifelink
When Xarri, Daughter of Belzenlok enters the battlefield, for each {b} paid to cast this creature
put a -1/-1 token on up to one target creature, for each {w} paid to cast this creature put a +1/+1 counter
on up to one target creature.