A mana base can be simple (say, seventeen Plains in an all-white, 40-card deck) or it can be quite complex: featuring multiple colors of mana, lands with unusual abilities, and indirect methods of making mana (via artifacts, creatures, or spells)
This may seem a little dodgy, but trust me when I say it all works very smoothly
Pawn shops are another option, though its best to go in with a clear idea of what your cards are worth since their offers vary
Psy Shadow allows you to place an extra Psychic Energy on the Pokmon in the active spot which is necessary for Psydrive as it costs 4 energy and discards two energy per use
We recommend using standard letter-sized paper (8.511 inches) for the best results
Once you've built up your collection, you can build a variety of decks using 20 cards, then battle other players or challenge NPC trials