Mobalytics - Warden by Hydration

High-Velocity so you can secure souls in lane
Extra Regen if necessary
Quicksilver Reload on Alchemical Flask (1).

Find the slowest enemy, run them down
Can sell Restorative Shot if lacking slots.

Improved Reach on Last Stand (4)
Either go for Glass Cannon or Fortitude.

T4 item options if the game goes really long
Enchanter's Barrier is good vs heavy Spirit damage teams.