194 cards found matching energy cost is at least 5

Ahri, Alluring
Alpha Wildclaw
Ancient Warmonger
Angler Beast
Anivia, Primal
Annie, Fiery
Arachnoid Horror
Arena Kingpin
Arise!
Armed Assailant
Ashe, Focused
Atakhan
Ava Achiever
Azir, Ascendant
Baron Nashor
Battering Ram
Beast Below
Bilgewater Bully
Blast of Power
Blazing Scorcher
Blitzcrank, Impassive
Brazen Buccaneer
Breakneck Mech
Brynhir Thundersong