Mercuria,Acolyte of Death

+1: Put the top card from your library into your graveyard. If it was a creature card, you may repeat this effect.
-3: Each player puts the top three cards from their library into their graveyard. You may return a card from your graveyard to your hand.
-9: Exile all opponent's graveyards. You get an emblem with "You may cast cards from exile by paying that card's converted mana cost.".