2022-09-09 : Auras attached to the exiled permanent will be put into their owners’ graveyards. Equipment attached to an exiled creature will become unattached and remain on the battlefield. Any counters on the exiled permanent will cease to exist.

2022-09-09 : If Prayer of Binding leaves the battlefield before its enters-the-battlefield ability resolves, the target permanent won’t be exiled.

2022-09-09 : If a token is exiled, it ceases to exist. It won’t be returned to the battlefield.

2022-09-09 : If you do choose a target for the ability and that target is illegal as the ability tries to resolve, you will not gain 2 life.

2022-09-09 : If you don’t choose a target for Prayer of Binding’s enters-the-battlefield triggered ability, you will still gain 2 life.

2022-09-09 : In a multiplayer game, if Prayer of Binding’s owner leaves the game, the exiled card will return to the battlefield. Because the one-shot effect that returns the card isn’t an ability that goes on the stack, it won’t cease to exist along with the leaving player’s spells and abilities on the stack.

2022-09-09 : Prayer of Binding’s triggered ability is a single ability that creates multiple one-shot effects, including one that exiles the permanent when the ability resolves and another that returns the exiled card to the battlefield immediately after Prayer of Binding leaves the battlefield.