Mass Camouflage

School: transmutation
Circle: ancient 4th
Spell Components: V, S
Action Time: 1 action
Range: touch
Shape: radius from self (small) 
Targeting: all (radius)
Base Duration: normal
Saving Throw: will (harmless)
Spell Resistance: no
Ritual Components: n/a

Causes a field of natural concealment to descend on all affected, granting +3 to Stealth checks made in any unenclosed space or wilderness.