Alyena, Corrupted

+2: Untap and gain control of target non-land permanent. It gains haste. Exile it at end of turn.
-3: Target player reveals their hand. Choose a non-land card from target player's hand, battlefield, and graveyard. That player exiles those cards.
-8: Until end of turn, you may play cards exiled by Alyena, Corrupted without paying their mana costs.