As for me, the only answer is that people were busy voting ban other cards and forget him for one or two weeks. UR staff couldn't give him a perma-ban, since they banned Askai
(I don't know why I sold him as well as my Jungo
deck when he is not Elo
banned) and Troompah
, so they leave him for players.
In my opinion, he is the most solid nuker in Elo
at that time. You can show some cards those can be used to counter him, but I don't think you cannot name a better nuker compared with Ongh
at the moment. Kerozinn Cr
are some cards those are in the same level with Ongh
, however, as you can see, XU52
is banned quite regularly and Kerozinn Cr
now is banned more often as FPC becomes more popular.