234 cards found matching energy cost is at least 5

Master Yi, Unstoppable
Mega-Mech
Megatusk
Mel, Defiant Soul
Minah Swiftfoot
Mindsplitter
Minotaur Reckoner
Miss Fortune, Captain
Monch
Moonlight Affliction
Morgana, Vindictive
Mountain Drake
Nasus, Ascended
Nasus, Guardian of Knowledge
Needlessly Large Yordle
Ocean Drake
Ornn, Blacksmith
Ornn, Forge God
Overt Operation
Pakaa Protector
Peak Guardian
Petty Officer
Playful Phantom
Plaza Guardian