The Battalion's Backup

Team Fortress 2
Level 10 Battle Banner
+20 max health on wearer
Provides a defensive buff that protects
nearby team members from crits,
incoming sentry damage by 50%
and 35% from all other sources.
Rage increases through damage done.

The Tank Buster

The Black Box
The Battalion's Backup
Grenadier's Softcap

Bonus Set Items:
Leave a Calling Card on your victims