Dionne, the Cursed Valkyrie

Flying, Lifelink, Deathtouch
Whenever Dionne deals combat damage
to a player you gain 3 life and that player
loses 3 life
{b}{t}: Destroy target creature
At the beginning of each upkeep if if an
opponent has 5 or more non-angel creatures
he/she picks two and sacrifices the rest.