Frau Morestai, Vengeful

Deathtouch, Flash, Vigilance, Ward 5
Whenever Frau enters play or becomes tapped,
deal 5 damage to one target then lose 5 Life.
Sacrifice a creature with power less than Frau's
power: Tap Frau, then target player who dealt
damage to you so far this game sacrifices a
permanent of his or her choice, then untap Frau.
{b/r}: +1/+1.