As soon as the game starts moving to whatever super-powerful dominant creature type replaces ex, itll lose a lot of appeal, but for now
Cards from every set (except ones with a silver border or an acorn symbol) are legal in the format, making nearly every Magic card ever released allowed to be played
While these cards are very powerful, dont get too excited to stack the deck with them
The best of the bunch is Fight as One that can pump two creatures for only 1 mana
It also alludes to the card suit motif of the top executive officers of Donquixote Doflamingo, Rosinantes brother who killed him after finding out that Rosinante was protecting Law after it was known that Law was the bearer of the Op-Op Fruit and its powers
While these figures stop short of the historic highs set by Oko, Thief of Crowns (69% at Mythic Championship VI) or Omnath, Locus of Creation (72% at the 2020 Season Grand Finals), they leave little doubt about the central role these cards now play in Standard