Somnium, Nyxwoven Outcast

+1: Each player exiles the top card of his or her library. Then, each player exiles a card from his or her hand. Then, each player may draw a card.
-5: Exile target creature. Somnium, Nyxwoven Outcast becomes a copy of that creature until end of turn and gains hexproof until end of turn.
-10: You get an emblem with "You may cast nonland cards from exile and spend mana as though it was mana of any type to cast them."