Sidisi, Brood Tyrant

Whenever Sidisi, Brood Tyrant enters the battlefield or attacks, mill 3 cards. (To mill a
card, put the top card of your library into your graveyard)
Whenever one or more creature cards is put
into your graveyard from your library, create a
2/2 black zombie creature token.
The graveyard is your second hand when you are
the Queen of the Sultai.