The Heimerdinger build for Support is Liandry's Anguish and Arcane Comet. This LoL Heimerdinger guide for Support at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Heimerdinger Counters
51.2%
(+0.2%)
64.1%
(+0.5%)
1.1%
(-0.0%)
0.9%
728
(-8)
