Kuega, Alpha Sun Regent

Flying, Trample, Menace, Vigilance
Other Dragons you control get +4/+0 and
Vigilance
{w}{r}, {x}, {t}: Gain X life and give all Humans you control +0/+X, Flying, Trample, Menace, and Vigilance. If this would trigger an ability, other Dragons you control also gain +0/+X, Flying, Trample, Menace, and Vigilance.