
Aquus Steed | Creature | Beast | {2}{U}, {T}: Target creature gets -2/-0 until end of turn. | Warren Mahy

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

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