These categories, Staff, World Championship cards, Promos, and Secret Energies, then Holofoils, and finally misprints and Holo energies with extra swirls will take you from the most to the least valuable Pokemon TCG energy cards
Within this deck, players are generally limited to including no more than four copies of any single card, with the exception of basic Energy cards, which can be included in any quantity
This means that if both players have set up a lot of Pokmon, then Clefairy ex is able to deal a significant amount of damage with one attack
The set list for Pokemon Card 151 has just been revealed in the product contents of the Pokemon Card 151 File Sets
otherwise the export falls back to the display name or set code