47 cards matching has empower keyword

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