Lucin's Command

Choose two-
-Target creature gains indestructible and lifelink until end of turn.
-Target player reveals his or her hand. You choose a nonland permanent card from it. That player discards that card.
-Lucin's Command deals 2 damage to each creature and each opponent.
-Exile all cards from all graveyards. You gain 1 life for each card exiled this way.