Arrest | Enchantment | Aura | Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated. | Greg Staples
Avenging Arrow | Instant | | Destroy target creature that dealt damage this turn. | James Ryman
Rootborn Defenses | Instant | | Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.) | Mark Zug
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
Selesnya Sentry | Creature | Elephant Soldier | {5}{G}: Regenerate Selesnya Sentry. | Wesley Burt
Seller of Songbirds | Creature | Human | When Seller of Songbirds enters the battlefield, create a 1/1 white Bird creature token with flying. | Christopher Moeller
Sunspire Griffin | Creature | Griffin | Flying | Johannes Voss
Tower Drake | Creature | Drake | Flying
{W}: Tower Drake gets +0/+1 until end of turn. | Ryan Barger
Detention Sphere | Enchantment | | When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.
When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control. | Kev Walker
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
Sphinx's Revelation | Instant | | You gain X life and draw X cards. | Slawomir Maniak
Vassal Soul | Creature | Spirit | Flying | Dan Scott
Centaur Healer | Creature | Centaur Cleric | When Centaur Healer enters the battlefield, you gain 3 life. | Mark Zug
Common Bond | Instant | | Put a +1/+1 counter on target creature.
Put a +1/+1 counter on target creature. | Raymond Swanland
Loxodon Smiter | Creature | Elephant Soldier | This spell can't be countered.
If a spell or ability an opponent controls causes you to discard Loxodon Smiter, put it onto the battlefield instead of putting it into your graveyard. | Ryan Barger
Wayfaring Temple | Creature | Elemental | Wayfaring Temple's power and toughness are each equal to the number of creatures you control.
Whenever Wayfaring Temple deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.) | 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
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