Myrkyssa, Wraithbinder

Whenever Myrkyssa Wraithbinder attacks, she gains deathtouch until end of turn and you mill 2 cards.
Whenever a creature dies, put a +1/+1 counter on Myrkyssa Wraithbinder.
Once during each of your turns you may play a land card or cast a permanent spell from your graveyard that was put there this turn.
She walks silently in the Shadows, and the silent Shadows walk with her.