Ive wanted to buy the Oni Phantom skin for a while now, but I haven's seen it in shop at all. Is there any way to check, or even estimate when it will return?

Am I the only one who finds this kinda cringe? Like if I killed 4 people, I wouldn't want the rest of my team to not fight the last guy and potentially die just to give me the ace. If you ask someone to "give the ace" you don't deserve it I...