Is there a build that can use this? (minions+mines)

Rage Keep
Hubris Circlet
Sockets: B B-B B
Implicits: 0
+2 to Level of Socketed Minion Gems
Socketed Gems are Supported by Level 18 Remote Mine
23% increased Mine Damage
+31 to maximum Energy Shield
+20% to Cold Resistance
+36% to Lightning Resistance

Open your in-game inventory here by clicking on your portrait top left, find the item you want to link and ctrl + alt + click on the item to link it here properly
As for the helmet - it's useless