304 cards found matching energy cost is greater than 3

Adaptatron
Ahri, Alluring
Akshan, Mischievous
Albus Ferros
Alpha Wildclaw
Ancient Warmonger
Angler Beast
Anivia, Primal
Annie, Fiery
Annie, Stubborn
Aphelios, Exalted
Arachnoid Horror
Arena Kingpin
Arise!
Armed Assailant
Ashe, Focused
Assembly Rig
Atakhan
Ava Achiever
Azir, Ascendant
Azir, Sovereign
Bandle Soldier
Bard, Mercurial
Baron Nashor