Aquus Steed | Creature | Beast | {2}{U}, {T}: Target creature gets -2/-0 until end of turn. | Warren Mahy
Faerie Impostor | Creature | Faerie Rogue | Flying
When Faerie Impostor enters the battlefield, sacrifice it unless you return another creature you control to its owner's hand. | Johann Bodin
Hover Barrier | Creature | Illusion Wall | Defender, flying | Mathias Kollros
Skyline Predator | Creature | Drake | Flash (You may cast this spell any time you could cast an instant.)
Flying | Wesley Burt
Soulsworn Spirit | Creature | Spirit | Soulsworn Spirit can't be blocked.
When Soulsworn Spirit enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.) | James Ryman
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
3.5 LSV
New Prahv Guildmage | Creature | Human Wizard | {W}{U}: Target creature gains flying until end of turn.
{3}{W}{U}: 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.) | Karl Kopinski
Skymark Roc | Creature | Bird | Flying
Whenever Skymark Roc attacks, you may return target creature defending player controls with toughness 2 or less to its owner's hand. | Christopher Moeller
Judge's Familiar | Creature | Bird | Flying
Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}. | Jack Wang
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
Nivix Guildmage | Creature | Human Wizard | {1}{U}{R}: Draw a card, then discard a card.
{2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. | Scott M. Fischer
Blistercoil Weird | Creature | Weird | Whenever you cast an instant or sorcery spell, Blistercoil Weird gets +1/+1 until end of turn. Untap it. | Dan Scott