Flying, vigilance {1}{W}: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice. {5}{W}{W}: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.

({T}: Add {W}.)

Exile all permanents. For as long as any of those cards remain exiled, at the beginning of each player's upkeep, that player returns one of the exiled cards they own to the battlefield.