Deity of Perverse Exchange

Discard a card: Tap Deity of Perverse Exchange.
It gains indestructible until end of turn
If a permanent you control would leave the battlefield as a result of an effect an opponent controls, that player loses 1 life and you gain 1
life. If two or more permanents would leave the battlefield this way, that player discards a card
and you may return a card from your graveyard
to your hand.