The Vel'Koz build for Support is Luden's Tempest and Arcane Comet. This LoL Vel'Koz guide for Support at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Vel'Koz Counters
51.6%
(+1.0%)
62.4%
(-0.1%)
1.9%
(+0.1%)
0.3%
731
(-25)
