Angelic Arbiter

During an opponent's turn, that opponent may either cast spells or attack with creatures, but not both (assuming that Angelic Arbiter is on the battlefield for the entirety of that turn). The player may perform other actions, such as activating abilities and playing lands.

If Angelic Arbiter leaves the battlefield during an opponent's turn, its abilities cease to affect the game. For example, if an opponent casts Doom Blade to destroy Angelic Arbiter, that player may then attack with creatures.

During your turn, Angelic Arbiter's abilities have no effect on the game.