Control (Spell Modifiers) can control a specific spell up to 10 times level squared points, adding or removing 10% worth of modifiers per level.

Squaring the Circle [66] 
    Control (Spell Modifiers, Occasional) 3 [49.5] 
        Doesn't Increase Spell Point Value [-50%] 
    Control (Spell Modifiers, Occasional) 1 [16.5] 
        Doesn't Increase Modifier Value [-50%] 
    Persistent [+40%] 
    Extended Duration (Permanent) [+150%] 
        Applies to Persistent 
    Extended Duration (x3) [+20%] 
        Applies to how long the caster has the ability 
    Reduced Time 1 [+20%] 
        Free action to affect spells, but doesn't apply to casting time 
    Only to Add the Rectangular Enhancement (+30% version) to Area Effect spells [-80%] 
    Can Only Affect the Caster's Spells as They're Cast [-50%] 
    Magical [-10%] 
    Spell Components [-30%] 
        Must say "presentation" in Latin 
        Must gesture with hands 
        Must hold a box ($2 for a small wooden box) and a ball ($3) 
Levels 2+ [+16.5/level] 
    Increase the second Control Advantage by 1 level [+15 base]