Either Ex Kizaru or Ex Saint Saturn atp, because why bring back G5 luffy banner if the new Ex isnt someone whos interacted with G5 like Lucci,Kizaru, or the Gorosei
They buffed roger who is garp's rival and also the free ace luffy duo got a extra damage to marine buff. Not to mention that the theme of this anniversary is looking like navy bc of lucci and snake, and garp just did his galaxy impact in the anime so it can only be garp, it wouldn't make sense for anyone else.
I have the racist account but i traded for it and didnt change the name i was just trying out the account I didnt even choose the name bro dont report me