With the classic Pokemon card back in use no matter the set you pulled it from, however, if you wanted to build a deck comprising cards from across the rich, two plus decade history of Pokemon and take on your friends with it, theres nothing stopping you
If youre looking for a place to start your testing or a good list for the North America International Championships, look no further than the 3rd place CL Sapporo list
Still Covered by the Reserved List Factors not affecting Reserved List status: Language
Cards like Primevals' Glorious Rebirth, Urza's Ruinous Blast and Karn's Temporal Sundering are powerful but require a legendary creature or planeswalker on board to cast
One thing to be mindful of is that if you are going down the prowess route you really need these white two drops as they provide dorks and spells
It also allows artifact-based decks to easily splash multiple colors to make them even stronger