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
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
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