Render Silent | Instant | | Counter target spell. Its controller can't cast spells this turn. | Matt Stewart
Restore the Peace | Instant | | Return each creature that dealt damage this turn to its owner's hand. | Kev Walker
Sin Collector | Creature | Human Cleric | When Sin Collector enters the battlefield, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card. | Mike Bierek
Viashino Firstblade | Creature | Viashino Soldier | Haste
When Viashino Firstblade enters the battlefield, it gets +2/+2 until end of turn. | Matt Stewart
Unflinching Courage | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.) | Mike Bierek
Pilfered Plans | Sorcery | | Target player mills two cards. Draw two cards. | Michael C. Hayes
Dragonshift | Instant | | Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying.
Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.") | Svetlin Velinov
Goblin Test Pilot | Creature | Goblin Pilot Wizard | Flying
{T}: Goblin Test Pilot deals 2 damage to any target chosen at random. | Svetlin Velinov
Nivix Cyclops | Creature | Cyclops | Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender. | Wayne Reynolds
Beetleform Mage | Creature | Human Insect Wizard | {G}{U}: Beetleform Mage gets +2/+2 and gains flying until end of turn. Activate only once each turn. | Marco Nelor
Bred for the Hunt | Enchantment | | Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card. | Karl Kopinski
Vorel of the Hull Clade | Legendary Creature | Human Merfolk | {G}{U}, {T}: Double the number of each kind of counter on target artifact, creature, or land. | Mike Bierek
Showstopper | Instant | | Until end of turn, creatures you control gain "When this creature dies, it deals 2 damage to target creature an opponent controls." | Steve Prescott
Gaze of Granite | Sorcery | | Destroy each nonland permanent with mana value X or less. | Nils Hamm
Putrefy | Instant | | Destroy target artifact or creature. It can't be regenerated. | Igor Kieryluk
Varolz, the Scar-Striped | Legendary Creature | Troll Warrior | Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)
Sacrifice another creature: Regenerate Varolz, the Scar-Striped. | Adam Paquette
Feral Animist | Creature | Goblin Shaman | {3}: Feral Animist gets +X/+0 until end of turn, where X is its power. | Dave Kendall