Furthermore, players use this to prepare a second attacker for when their Active Pokmon is knocked out, which is crucial for winning a match
9 - Rocket's Mewtwo ex (Ruby/Sapphire: Team Rocket Returns - Foil Card - 99/109) This base Ruby & Sapphire set paid homage to the classic Team Rocket set from the Wizards of the Coast era, but also introduced a few new mechanics: Pokmon with two types, namely their original type and Dark, and Pokmon that lost their main type and became exclusively Dark Pokmon
While this potential would technically exist in Alchemy too, there are far fewer exciting targets to find
For instance, I was reminded that you can only attach a single energy card to a Pokemon on any given turn, and that you can only play one Support card per turn
The problem is not the strength of these Pokemon, quite the contrary