The problem is, new stuff needs to be better than old stuff, or pix won't make any money. How about bringing them back to be repurchased with updated stats and new paint jobs? That's ultimate edition right there.
#Rebuff old equipment after it loses viability
tawdry sapphire
You could also use bots that are resistant to getting phased out by the meta like fenrir and ravana. Transcendence avoids all the new negative effects and fenrir has the highest effective hp of any brawler in the game