Whenever Brimaz blocks a creature, put a 1/1 white Cat Soldier creature token with vigilance onto the battlefield blocking that creature
Because your commander is so resilient - low cost, only a creature on your turn, and with a built in self-reanimate power, you don't even really need backup reanimators in the deck
For three mana, you cant get better than these
Kamigawa Block Samurai Original Kamigawa block was long before Wizards of the Coast started to support and design cards for Commander, and therere lots of eligible commanders that just arent worth even trying
It requires some dedicated support to get it out early, thanks to its eight mana cost, but once its out there, the opponents will have a hard time dislodging it
Im not so sure that the elemental warlock can close the gap in relative power ceiling