This variation of Sunbeam has a much shorter duration, but also does damage to undead.

Sunburst [53] 
    Create (Sunlight, Small Category) 2 [26] 
        Reduced Fatigue Cost 2 [+40%] 
        Ranged [+40%] 
        Based on Activation Roll [+5%] 
        Reduced Time (1/60) [-35%] 
    Innate Attack (Burning, Beam) 6d [27] 
        Area Effect (2 yard radius) [+50%] 
        Only Works on Undead [-40%] 
    Link [+10%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "sun" in Latin 
        Must gesture with hands 
Levels 2+ [+41/level] 
    Increase Create Level by 2 [+10 base] 
    Increase Innate Attack Area Effect by 1 step [+50%]