169 cards found matching energy cost is 3

Call to Battle
Call to Glory
Card Sharp
Cemetery Attendant
Chakram Dancer
Corrupt Enforcer
Covert Informant
Crackshot Corsair
Crescent Strike
Crimson Pigeons
Crowd Favorite
Dangerous Duo
Diana
Disarming Rake
Dragon Form
Dune Surfer
Eager Apprentice
Eager Drakehound
Eclipse
Edge of Night
Energy Conduit
Enthusiastic Promoter
Escaped Grayback
Evershade Stalker