Vader, Vengeful Sith

0: Destroy target creature with converted mana cost 2 or less. Put a loyalty counter on Vader equal to the power of that creature.
-3: Exile a card from a graveyard. If it was a creature card you gain 3 life, otherwise, it's owner loses 3 life.
-10: Destroy all creatures target opponent controls. You may search your library for a creature card for each creature destroyed this way.