
Arrest | Enchantment | Aura | Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. | Greg Staples

Security Blockade | Enchantment | Aura | Enchant land
When Security Blockade enters the battlefield, create a 2/2 white Knight creature token with vigilance.
Enchanted land has "{T}: Prevent the next 1 damage that would be dealt to you this turn." | James Ryman

Hover Barrier | Creature | Illusion Wall | Defender, flying | Mathias Kollros

Guttersnipe | Creature | Goblin Shaman | Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent. | Steve Prescott

Oak Street Innkeeper | Creature | Elf | As long as it's not your turn, tapped creatures you control have hexproof. | Svetlin Velinov

Lyev Skyknight | Creature | Human Knight | Flying
When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.) | Johannes Voss

Izzet Staticaster | Creature | Human Wizard | Flash (You may cast this spell any time you could cast an instant.)
Haste
{T}: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature. | Scott M. Fischer

Hellhole Flailer | Creature | Ogre Warrior | Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)
{2}{B}{R}, Sacrifice Hellhole Flailer: Hellhole Flailer deals damage equal to its power to target player or planeswalker. | Steve Prescott

Dreg Mangler | Creature | Plant Zombie | Haste
Scavenge {3}{B}{G} ({3}{B}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.) | Peter Mohrbacher

Azorius Keyrune | Artifact | | {T}: Add {W} or {U}.
{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn. | Daniel Ljunggren

Golgari Keyrune | Artifact | | {T}: Add {B} or {G}.
{B}{G}: Golgari Keyrune becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn. | Daniel Ljunggren

Izzet Keyrune | Artifact | | {T}: Add {U} or {R}.
{U}{R}: Until end of turn, Izzet Keyrune becomes a 2/1 blue and red Elemental artifact creature.
Whenever Izzet Keyrune deals combat damage to a player, you may draw a card. If you do, discard a card. | Daniel Ljunggren

Rakdos Keyrune | Artifact | | {T}: Add {B} or {R}.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn. | Daniel Ljunggren

Selesnya Keyrune | Artifact | | {T}: Add {G} or {W}.
{G}{W}: Selesnya Keyrune becomes a 3/3 green and white Wolf artifact creature until end of turn. | Daniel Ljunggren