Gho-Chal, the Mindslaver

+2: Target player exiles a card at random from their hand. You may play that card without paying its mana cost as long as it remains exiled.
-2: Gain control of target creature until end of turn. Discard a card.
-10: You get an emblem with "If a creature would come into play under a opponent's control, it comes into play under your control instead."