The format only uses cards from the sets released in the last few years, and once a year, the oldest sets are rotated out to make way for the new
Where the instruments agree, we trust the pattern
I think that you probably need burst mana from things like Mishra's Workshop before you want to include this in your deck but as I haven't tested it I cannot be totally sure
However, despite the unusual composition of this scene and the gorgeous, vibrant combination of colors, there are more valuable versions of Team Rocket's Mewtwo ex still to come, with Giovanni close by
Cid, Timeless Artificer Cid, Timeless Artificer is an interesting build-around that I imagine comes in two flavors: You either go hard on looting, cycling, and self-mill to throw multiple copies of Cid in the graveyard, or you do some Mirror Box shenanigans
Youll need to put an actual card in the sleeve behind these proxies so your deck shuffles properly unless youre using cardstock