Prison Realm | 26 | War of the Spark

Set: War of the Spark
Rarity: U
#: 26
Creature Type or Sub Type: Enchantment
Rules Text Contains: When Prison Realm enters the battlefield, exile target creature or planeswalker an opponent controls until Prison Realm leaves the battlefield.
When Prison Realm enters the battlefield, scry 1.
Flavor: After millennia to craft victory, Bolas had eternity to contemplate defeat.