yugioh first cards made Yu-Gi-Oh! Bandai Mail Day the first yugioh card ever

This enables the simulator to complete all 50,000 trials in seconds rather than minutes, with no server round-trip required

One nice merit about its types, however, is it can (ab)use Special M Energies

Moreover, since there are no particular restrictions on Special Summon, it can be connected to Link, Xyz, and Synchro

Finally, unlike the Doctor Who set, some cards wont be available in the Commander Decks at all

The Obsidian Flames set was released Aug

Some sets like Dissension (hellbent mechanic) and Amonkhet (Hazoret the Fervent) incentivize you to have one or zero cards in hand, which goes very well in these kinds of decks