Ivern Counters will give you or your opponent the best chance they can have at winning lane phase versus this tree. The best Ivern counters are the champions listed below along with the best items used versus him. Ivern Champion Counter is a more personal counter, a champion who in nature have an advantage over any Ivern Build, Gameplay & abilities.
Ivern Champion Counters, these are your main champions who will counter Ivern the best. During Lane Phase this picks will give you the best chance of winning, and even denying the enemy of gold. Even though he will most likely be played as a support it seems, there is a good chance this champion mid lane will be a thing due to his passive. You can easily farm raptor camps and even aid you jungler effectively while ganking.
Ivern Counter Picks, these are champions who in team fights or as a support can be effective counters. Mainly support are found within this field, with the occasional jungler or mid lane. Hard CC is very strong versus this champion, since he lacks a good amount of defensive abilities for himself.
Item Counters is the best way to itemize against this big tree of a support. Your build to counter Ivern will most likely include at least one of these items found here. Pretty much all of his damage is magic, so these tend to do the best against any Ivern Item Build.