That being said, if you don't fall into this category, Mega Evolution is a lot of fun to open
In the early game, that might be a net-positive for your opponent, but in the late-game, it can feel devastating if it nukes something powerful
Bad Primes that easily go for 1 pack include just about everything other than Donphan, Mew, Magnezone, Yanmega, Gengar, Typhlosion, and maybe Kingdra
Its a straightforward process once you get the hang of it
Its a good every now and then card that some players base their entire personality around
While these normally don't hold much value, having a decent number of them will help players fill out their decks quickly until they can collect the cards they really want