Mobile HQ, Operation Antigen

Unique location. Operation Antigen. An Operation Antigen ally you control can lock this location to attempt to enter combat with a vampire as a +1 stealth Ⓓ action. You can lock this location to add enough life to an Operation Antigen ally you control to reach their starting life. You can lock this location and burn 2 pool to cancel an action card that targets an Operation Antigen card you control as it is played; its cost is not paid.