Gregg, the Undying Scheme

+2: Discard a card and return a card from your graveyard to your hand that shares a card type with a card that entered your graveyard this turn.
-X: Destroy X target creatures, up to a maximum of 2 creatures with total power 6 or less. You lose 3 life for each creature destroyed this way.
-10: You get an emblem: “Whenever a creature dies, return it to the battlefield under your control unless the creature’s owner pays 3 colorless mana.”