Samrox, Neutral Chaos

-7: Exile all land cards in your library. Shuffle the library. Discard all the cards in your hand, then draw that many cards plus one.
-7: Exile all nonland cards in your library. Shuffle the library. Discard all the cards in your hand, then draw that many cards plus one.
+1: Flip a coin. If you lose the flip, Samrox deals damage to you equal to its loyalty. If you win, put a card exiled by Samrox in your hand.