Recurring Nightmare

Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Jet Medallion

Black spells you cast cost {1} less to cast.

Gravedigger

When this creature enters, you may return target creature card from your graveyard to your hand.

Swamp

Priest of Gix

When this creature enters, add {B}{B}{B}.

Highway Robber

When this creature enters, target opponent loses 2 life and you gain 2 life.