141 cards found matching has might, might is at least 5

Inviolus Vox
Ivern, Friend to All
Jae Medarda
Jaull-Fish
Jax, Unmatched
Jeweled Colossus
Jinx, Rebel
Kadregrin the Infernal
Kai'Sa, Evolutionary
Karma, Channeler
Katarina, Reckless
Kayn, Unleashed
Kha'Zix, Evolving Hunter
Kraken Hunter
Lee Sin, Ascetic
Lee Sin, Centered
Leona, Zealot
Lord Broadmane
Lux, Illuminated
Maduli the Gatekeeper
Mageseeker Warden
Magma Wurm
Master Bingwen
Master Yi, Unstoppable