
Lyev Skyknight | Creature | Human Knight | Flying
When Lyev Skyknight enters, 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

Possessed Skaab | Creature | Zombie | When Possessed Skaab enters, return target instant, sorcery, or creature card from your graveyard to your hand.
If Possessed Skaab would die, exile it instead. | John Stanko

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

Skyrider Elf | Creature | Elf Warrior Ally | Flying
Converge — Skyrider Elf enters with a +1/+1 counter on it for each color of mana spent to cast it. | Dan Murayama Scott