Pioneer Masters

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

Open the Armory | Sorcery | | Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle. | Steve Prescott

Hidden Strings | Sorcery | | You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | Daarken

Witch's Mark | Sorcery | | You may discard a card. If you do, draw two cards. Create a Wicked Role token attached to up to one target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1. When this Aura is put into a graveyard, each opponent loses 1 life.) | Justyna Dura

Mizzium Mortars | Sorcery | | Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.") | Christina Davis

Seismic Stomp | Sorcery | | Creatures without flying can't block this turn. | Chase Stone

Commune with the Gods | Sorcery | | Reveal the top five cards of your library. You may put a creature or enchantment card from among them into your hand. Put the rest into your graveyard. | Aleksi Briclot

Savage Punch | Sorcery | | Target creature you control fights target creature you don't control. Ferocious — The creature you control gets +2/+2 until end of turn before it fights if you control a creature with power 4 or greater. | Wesley Burt

Skyreaping | Sorcery | | Skyreaping deals damage to each creature with flying equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) | Julie Dillon

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

Epic Experiment | Sorcery | | Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard. | Dan Murayama Scott

Dreadbore | Sorcery | | Destroy target creature or planeswalker. | Wayne Reynolds

Rakdos's Return | Sorcery | | Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards. | Daarken

Armed | Sorcery | | Target creature gets +1/+1 and gains double strike until end of turn. Fuse (You may cast one or both halves of this card from your hand.) | David Palumbo