Demarra, the Spiteful Sister

When Demarra, the Spiteful Sister deals combat damage to an opponent, you win the game.
If you control a Vraska planeswalker, Demarra,
the Spiteful Sister cant be blocked.
Sacrifice a creature: Demarra, the Spiteful Sister
gets +1/+0 until end of turn.
Ive always found Vraska the more reasonable of
the two. -Jace