No offense but unless you're a top whale willing to spend to collect every ninja just to collect them all, getting edo minato is a bad idea. Edo minato has gotten none or a little more play, his barrier doesn't really stop the kakuzu meta as a good chunk of them use shark kisame which pops your helpful barrier, and his damage is still abysmal https://www.youtube.com/watch?v=mxM1vQ2Uw2A. Getting him just for kurama's bond mystery is also not a good idea because by the time kurama naruto gets his bond mystery in the cn servers, he still isn't strong enough to compete in the meta, https://www.youtube.com/watch?v=oKnqoSLtqt4.

Sb ay isn't that op, you just need to shut down the supports. One of the cheapest ways to shutdown the ay team assuming you have a faster pos 1/2 is water main sharkbomb team with 5 kage madara. SB Kakuzu should be released here in en but with a nerfect chakra scaling as he breaks the game too much.