For players who want a current blue leader that can defend, draw, and grind through difficult games, OP11 Nami is one of the strongest choices in the One Piece Card Game right now
Commanding Conclusion Ad Nauseam | Illustration by Jeremy Jarvis When people talk about the top tier of cEDH, the commanders that are usually in the discussion are Najeela, the Blade-Blossom, Rograkh, Son of Rohgahh plus Silas Renn, Seeker Adept or Kraum, Ludevic's Opus plus Tymna the Weaver
I think if you were able to stick both of them to the field, there are a lot of White/Black decks that abuse cards like Ratadrabik to create a bunch of token clones and drain your opponent out or do other annoying things with endless tokens
The designers decided that colored artifacts would be a thing unique to Alara, something which made it special