42 cards matching has empowered keyword

Mel, Newly Awakened
Mournful Witness
Nasus, Ascended
Noxian Emissary
Platewyrm Egg
Punching Poro
Rage Amplifier
Renekton, Brute
Rogue Assassin
Sanction
Serene Ascetic
Shadow Fiend
Shock Blast
Solari Sunhawk
Steel Paws
Tail-Cloaked Matriarch
Tomb-Raider Barbara
Tools of Empire