The Blitzcrank build for Support is Shurelya's Battlesong and Glacial Augment. This LoL Blitzcrank guide for Support at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Blitzcrank Counters
Blitzcrankwinslane against...
Win Rate
Matchup Rate
Milio
2050 games
2.2%
Soraka
2200 games
2.4%
Rell
1994 games
Nami
2219 games
Alistar
3822 games
4.2%
Sona
823 games
0.9%
Rakan
5433 games
5.9%
Lulu
2755 games
3.0%
Nautilus
4738 games
5.1%
Maokai
830 games
Janna
2632 games
2.9%
Renata Glasc
2403 games
2.6%
Ashe
2191 games
Shaco
833 games
Braum
1790 games
1.9%
Blitzcrankloseslane against...
Heimerdinger
802 games
Vel'Koz
985 games
1.1%
Senna
5974 games
6.5%
Xerath
2877 games
3.1%
Zyra
2129 games
2.3%
Neeko
936 games
1.0%
Zilean
1141 games
1.2%
Swain
1438 games
1.6%
Brand
1553 games
1.7%
Pantheon
803 games
Pyke
3218 games
3.5%
Lux
4753 games
5.2%
Bard
2100 games
Morgana
3723 games
4.0%
Karma
2293 games
2.5%
Yuumi
2007 games
Seraphine
1099 games
Taric
780 games
0.8%
Leona
3011 games
3.3%
Thresh
6906 games
7.5%