Manwe, Valar of Winds

Flying, Indestructible
Manwe, Valar of Winds starts on the battlefield
under its own control.
At the beginning of each player's end step, if that player has five or more creatures with flying, and
has more creatures with flying than each other
player, that player gains control of Manwe, Valar
of Winds.
Creatures with flying you control gain +1/+1, vigilance, and indestructible.