You double the number of counters you put on something, while your opponents have to halve the number of counters they place
Many players, especially ones newer to the Commander format, will have a preconstructed deck, maybe with a few cards swapped, as their Commander deck
Tan had been playing Necropotence, as had Chanpheng, whom he had beaten in the finals
I know it exists, I know of the memes that have come out of it, but I have not read or watched the full series to completion (blasphemous, I know.) As such, please do understand that my review of these decks will not be considering the canon/lore-specific aspects of these characters, and rather focus on a holistic analysis of the decks according to the framework we here at Tap & Sac have been using for our EDH deck reviews
Now its up to us to determine the best of the best
Doubling as counterspell and removal, no blue card is safe