Once per turn you can detach an XYZ material from this card to take control of any monster your opponent controls
Its ready to dominate meta strategies
It only works while untapped, though, so if you want to turn it off for your opponents, you can include some effects that allow you to tap artifacts
White is often a bit left out on this list, with Path to Exile as its big marquee card
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Formless Genesis: Changeling is a characteristic-defining ability
We'll be looking at my Top Ten from that set plus three honorable mentions, and then to chart it must be good in kitchen table play formats like Commander, multiplayer, Type Four, Five Color, Highlander and other formats