Shrine of Swirling Colors

When Shrine of Swirling Colors enters the battlefield, exile any number of shrines you control.
Shrine of Swirling Colors has all the abilities of shrines exiled by it and counts as 1 plus the number of exiled shrines.
When Shrine of Swirling Colors leaves the battlefield, return any number of shrines exiled by it to the battlefield and the rest to your hand.