Starting from its very first Pro Tour, Dark Confidant has basically never been anything but a staple in every single format its legal in
In an even game or heavens forbid, one you get ahead in, a Necropotence is very hard to beat indeed
Although, wait a sec
Dex Coins earn by playing, spend in the shop Daily missions pay 10 each (25 bonus for all three, 150 every 7th streak day), packs pay 10, arena wins pay 50, and binder saves pay 5
Several factors influence Gym Challenge card values: card condition (mint cards worth 3-5x more), rarity (holographic and rare cards command higher prices), first edition status, PSA/BGS grading scores, and market demand for specific Pokemon
Remember, these are all lottery boxes so you may hit it big and you may miss all the high priced cards