K, the Dream Thief

When ever you draw a card other than the first, if K, the Dream Thief is in the command zone or on the battlefield each opponent puts the top 2 cards of their library into their graveyard.
When K, the Dream Thief enters the battlefield exile all cards from target players graveyard. You may cast nonland cards and play land cards exiled this way. Whenever K, the Dream Thief leaves the battlefield return all cards exiled this way to their owners graveyard.