207 cards found matching energy cost is at least 5

Alpha Wildclaw
Ambessa
Ancient Warmonger
Angler Beast
Anivia
Annie
Arachnoid Horror
Arena Kingpin
Arise!
Armed Assailant
Ashe
Astral Heron
Atakhan
Aurok General
Ava Achiever
Baccai Sandspinner
Baron Nashor
Battering Ram
Beast Below
Bilgewater Bully
Blast of Power
Blazing Scorcher
Blitzcrank
Bottled Constellation