On top of that, each creature you steal becomes a mercenary, meaning you exile more and more cards as turns pass, especially when you run a mercenary-themed deck or effects that focus on stealing creatures from your opponents in other ways
It also discards the top five cards of each player's deck
However, once it has been used to recover, it is discarded
In this dramatic (and dare I say darkly romantic?) scene, Vivien takes revenge on Selvala's enemies with her army of ghostly beasts
Getting to play someone elses hand during your own turn
You see, you get to choose two Creature cards in your graveyard, then sacrifice a Creature you control to return those two Creatures to the battlefield tapped