Starting with Magic Set Editor, it provides templates for: Magic the Gathering Magic Vanguard Yu-Gi-Oh
Ive been enjoying this format quite a bit, and while you can occasionally get run over by aggro, drafting squirrels is a great way to avoid that for the most part
The Tag Team GX mechanic combined two Pokemon on a single card, and pairing Pikachu with the legendary Zekrom created a powerhouse that saw extensive tournament play during the 2019-2020 competitive season
Polygons got you covered.
Black Market, however, will not work as well in higher-powered Commander pods simply because of how slow it takes for you to even begin to enjoy its effects (you will need Toxrill out or get some creatures dead, as well as Black Market out for one whole turn cycle), so do take note of Black Market's potential (lack of) efficacy
Versus, the PVP mode in PTCGO , is broken up into 4 separate ladders: Standard (2~ year rotation), Expanded (4~ year rotation) Legacy (8-10 years old) and Theme