normal energy card pokemon PokeDATA Base Set (Shadowless) 3D Colorless Energy " Greeting

Also an emergency ramp card

I choose Annihilating Glare because its legal everywhere, it can destroy creatures and planeswalkers, and you have a bigger casting cost option if you dont want to sacrifice a creature

You can just keep upticking and plotting and using removal and sweepers while stockpiling whatever board state you want to drop when youre ready and just vomiting cardboard at the right time

Even if you don't have one to hand your opponent has to respect that you might well have one and will likely draw one in enough time

The problem would have been resolved with printing pure Basic Energies, commons, uncommons and likely also rares sheets with the same design as those later used for Unlimited in appropriate quantities taking the existing surplus into account

Basically, eBays SEO system, low barrier to entry, and easy-to-use platform make it the better choice for beginners and those who only want to sell a few cards