Swift Reckoning | Sorcery | | Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast Swift Reckoning as though it had flash. (You may cast it any time you could cast an instant.)
Destroy target tapped creature. | Chris Rahn
Displacement Wave | Sorcery | | Return all nonland permanents with mana value X or less to their owners' hands. | Seb McKinnon
Macabre Waltz | Sorcery | | Return up to two target creature cards from your graveyard to your hand, then discard a card. | Jim Murray
Reave Soul | Sorcery | | Destroy target creature with power 3 or less. | David Palumbo
Dragon Fodder | Sorcery | | Create two 1/1 red Goblin creature tokens. | Jaime Jones
Gather the Pack | Sorcery | | Reveal the top five cards of your library. You may put a creature card from among them into your hand. Put the rest into your graveyard.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, put up to two creature cards from among the revealed cards into your hand instead of one. | Igor Kieryluk