Jibril, Artosh's Masterpiece

Flying, hexproof, indestructible, vigilance
If this card would leave your side of the battlefield return her with half her age counter rounded up.
If this card has less than 8 age counters transform it
into Jibril, Protector of Knowledge.
{u/b}{u/b}{w/b}{w/b}{w/u}{w/u}: Exile all nonland permanents
youdon't control. Remove all counters from
Jibril, Artosh's Masterpiece.
This cards power is equal to the number of age counters on it.