This can affect up to 10 pounds of wood objects in a singe hex. This is generally enough to ruin an archer's bow and arrows.

Control (Wood, Common) 1 [24] 
    Ranged [+40%] 
    Collective [+100%] 
    Based on Activation Roll [+5%] 
    Only to Twist into Useless Shapes [-60%] 
    Reduced Duration (x1/60) [-35%] 
        1 second of use 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "warp" in Latin 
        Must gesture with hands 
Levels 2+ [+24/level] 
    Increase Control by 1 level [+20 base]