one piece card game op-09 Trading Emperors in the New World Single Card Common Marshall.D.Teach OP09-092 One Piece CG OP One Piece Card Game OP09-029

That record belongs to 1997 (and not 2006, the Guildpact / Dissension / Coldsnap / Time Spiral year with 922 cards) with a total of 1,133 cards

Chains of Mephistopheles could be more expensive if more players understood what it does

Well, quite a number of things, actually

Card not found on the other hand was a big part of the early versions of the infamous Card not found decks

Id recommend keeping one instant removal spell in hand to respond if an opponent gives their creature trample very few creatures have it naturally in this set, so its possible to just chump and wait for the Blitzball Shot or Gladiolus trigger

To me, Commander is less of a format, and more like a framework