Due to how easy it is to gather Energy, Colorless Pokemon are generally the weakest in the entire game, and it's bad enough to make them the worst Energy Type
Because Emerald/Steels insane discard engine makes it possible to quickly and effectively reduce your opponents hand to zero, often the card that you bounce back to the hand will also be discarded, making Bruno one of the strongest card removal songs in the game
You also need to watch your opponents progress closely to earn points by positioning your forces in areas where gates are likely to open or at least stall their progress by stealing components they need
Stick with physical packs if you want tangible assets with real-world resale value
SR Super Rare UR Ultra Rare SE Secret Rare UL Ultimate Rare PS Platinum Secret Rare CR COLLECTOR'S RARE QCSE Quarter Century Secret Rare Forbidden Forbidden Dimensional Barrier X TRAP Declare 1 monster card type (Ritual, Fusion, Synchro, Xyz, or Pendulum)