[+1]: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library."
[−3]: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand.
[−7]: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs.
[+1]: Look at the top four cards of your library. You may reveal an enchantment card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.
[−3]: Exile target creature or enchantment you don't control until target enchantment you control leaves the battlefield.
[−7]: Return all enchantment cards from your graveyard to the battlefield.