Like most Magic: The Gathering cards, the value of Power Play depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Conspiracy)
You can filter cards by Pokemon, then have the computer build a deck around the Pokemon you choose, and then tweak it however you want, or you can build a deck completely from scratch it's up to you
Once you get into the groove of your lock, use Penny / Professor Turos Scenario to clear clutter from your Bench, and take away easy Prize Cards from your opponent
The Saturday Challenge is the first result, the Sunday the second on the table
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