High Priest Vulkaren

High Priest Vulkaren enters the battlefield with a +1/+1 counter on it for each Human you control.
Human creatures you control have ward {x}, where X is the number of +1/+1 counters on High Priest Vulkaren.
Remove a +1/+1 counter from High Priest Vulkaren: Human creatures you control gain vigilance until end of turn.