Gatecrash

Cartel Aristocrat | Creature | Human Advisor | Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn. | James Ryman

Executioner's Swing | Instant | | Target creature that dealt damage this turn gets -5/-5 until end of turn. | Karl Kopinski

High Priest of Penance | Creature | Human Cleric | Whenever High Priest of Penance is dealt damage, you may destroy target nonland permanent. | Mark Zug

Orzhov Charm | Instant | | Choose one — • Return target creature you control and all Auras you control attached to it to their owner's hand. • Destroy target creature and you lose life equal to its toughness. • Return target creature card with mana value 1 or less from your graveyard to the battlefield. | Zoltan Boros

Vizkopa Guildmage | Creature | Human Wizard | {1}{W}{B}: Target creature gains lifelink until end of turn. {1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life. | Tyler Jacobson

Aurelia's Fury | Instant | | Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn. | Tyler Jacobson

Boros Charm | Instant | | Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn. | Zoltan Boros

Martial Glory | Instant | | Target creature gets +3/+0 until end of turn. Target creature gets +0/+3 until end of turn. | Raymond Swanland

Sunhome Guildmage | Creature | Human Wizard | {1}{R}{W}: Creatures you control get +1/+0 until end of turn. {2}{R}{W}: Create a 1/1 red and white Soldier creature token with haste. | Eric Deschamps

Truefire Paladin | Creature | Human Knight | Vigilance {R}{W}: Truefire Paladin gets +2/+0 until end of turn. {R}{W}: Truefire Paladin gains first strike until end of turn. | Michael C. Hayes

Wojek Halberdiers | Creature | Human Soldier | Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn. | Nic Klein

Shattering Blow | Instant | | Exile target artifact. | Steve Prescott

Dimir Charm | Instant | | Choose one — • Counter target sorcery spell. • Destroy target creature with power 2 or less. • Look at the top three cards of target player's library. Put one back and the rest into that player's graveyard. | Zoltan Boros

Duskmantle Guildmage | Creature | Human Wizard | {1}{U}{B}: Whenever a card is put into an opponent's graveyard from anywhere this turn, that player loses 1 life. {2}{U}{B}: Target player mills two cards. | Slawomir Maniak

Mind Grind | Sorcery | | Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can't be 0. | Daarken

Paranoid Delusions | Sorcery | | Target player mills three cards. 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.) | Christopher Moeller

Hydroform | Instant | | Target land becomes a 3/3 Elemental creature with flying until end of turn. It's still a land. | Howard Lyon

Nimbus Swimmer | Creature | Leviathan | Flying Nimbus Swimmer enters the battlefield with X +1/+1 counters on it. | Howard Lyon

Shambleshark | Creature | Shark Crab | Flash (You may cast this spell any time you could cast an instant.) Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) | Wesley Burt

Simic Charm | Instant | | Choose one — • Target creature gets +3/+3 until end of turn. • Permanents you control gain hexproof until end of turn. • Return target creature to its owner's hand. | Zoltan Boros

Zameck Guildmage | Creature | Elf Wizard | {G}{U}: This turn, each creature you control enters the battlefield with an additional +1/+1 counter on it. {G}{U}, Remove a +1/+1 counter from a creature you control: Draw a card. | Chase Stone

Biomass Mutation | Instant | | Creatures you control have base power and toughness X/X until end of turn. | Dan Scott

Clan Defiance | Sorcery | | Choose one or more — • Clan Defiance deals X damage to target creature with flying. • Clan Defiance deals X damage to target creature without flying. • Clan Defiance deals X damage to target player or planeswalker. | Daarken

Ground Assault | Sorcery | | Ground Assault deals damage to target creature equal to the number of lands you control. | Karl Kopinski

Gruul Charm | Instant | | Choose one — • Creatures without flying can't block this turn. • Gain control of all permanents you own. • Gruul Charm deals 3 damage to each creature with flying. | Zoltan Boros

Signal the Clans | Instant | | Search your library for three creature cards and reveal them. If you reveal three cards with different names, choose one of them at random and put that card into your hand. Shuffle the rest into your library. | Dave Kendall

Skarrg Guildmage | Creature | Human Shaman | {R}{G}: Creatures you control gain trample until end of turn. {1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land. | Aleksi Briclot

Burning-Tree Emissary | Creature | Human Shaman | When Burning-Tree Emissary enters the battlefield, add {R}{G}. | Izzy

Pit Fight | Instant | | Target creature you control fights another target creature. (Each deals damage equal to its power to the other.) | Matt Stewart