Arya Stark, Sleeping Death

When this card enters your hand, reveal Arya
Stark, Sleeping Death. Name five cards that
cannot be cast by your opponent. If a chosen
card is on the battlefield it is destroyed. You
must cast Arya Stark, Sleeping Death this
turn or this card is discarded. As long as Arya
Stark, Sleeping Death is on the battlefield the
chosen cards cannot be used.
Flash, Deathtouch