20 Mega Evolution Energies cards with current prices, from most to least expensive; the most valuable raw card is Basic Darkness Energy 007 7 ($0.28).
Basic Darkness Energy 007 7$0.28
Basic Fighting Energy 006 6$0.24
Basic Fire Energy 002 30th Celebration$0.24
Basic Psychic Energy 005 30th Celebration$0.24
Basic Grass Energy 001 1$0.23
Basic Lightning Energy 004 30th Celebration$0.22
Basic Psychic Energy 005 5$0.22
Basic Darkness Energy 007 30th Celebration$0.21
Basic Fire Energy 002 2$0.21
Basic Lightning Energy 004 4$0.21
Basic Water Energy 003 3$0.18
Basic Water Energy 011 30th Celebration$0.18
Basic Darkness Energy 015 30th Celebration$0.17
Basic Fire Energy 010 30th Celebration$0.17
Basic Grass Energy 009 30th Celebration$0.17
Basic Metal Energy 016 30th Celebration$0.17
Basic Psychic Energy 013 30th Celebration$0.17
Basic Fighting Energy 014 30th Celebration$0.16
Basic Lightning Energy 012 30th Celebration$0.14
Basic Metal Energy 008 8$0.13