Yaga, Hallow's Eve Lord

0: Discard a card. Put a number of loyalty counters on this card equal to the converted mana cost of the discarded card. Draw 2 cards.
-3: Destroy target creature you do't control. Put a number of loyalty counters on this card equal to the destroyed creature's toughness.
-10: Each player returns all creature cards from his or her graveyard to the battlefield. Exile them when they leave the battlefield.