The Nightmare

+1: Target opponent reveals their hand. You choose 2 nonland cards. That player discards those cards.
-1: Target opponent sacrifices a creature or planeswalker. If a creature was sacrificed this way, that player discards a card.
-5: Return 5 target permanents to target opponent's hand. That player discards 5 cards, then mills 5 cards. Exile that player's graveyard.