This shifts the caster (and anyone else they choose to bring with them) to the border between the current plane and the Plane of Shadow.

Shadow Walk [336] 
    Insubstantiality (Shadow) [168] 
        Can Carry Objects (Heavy) [+100%] 
    Invisibility [124] 
        Extended (Everything) [+100%] 
        Can Carry Objects (Heavy) [+100%] 
    Enhanced Move (Plane of Shadow) 2 [44] 
    Link [+10%] 
    Extended Duration (x30) [+60%] 
    Requires Deep Shadows [-30%] 
        Entering and exiting requires deep shadows 
        If the spell ends while anyone is still on the Plane of Shadow, 
            then they end up at the shadow closest to their location 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "shadow" in Latin 
        Must gesture with hands 
Level 2 [416] 
    Add Affects Others 1 [+50%] 
Levels 3+ [+80/level] 
    Increase Affects Others by 1 level [+50%]