Subaru's spells:
Revolver Shoot -- Ranged attack. Ball of magical energy. Consumes 1x cartridge.
Break Road -- Creates a magical road path that a person can physically walk on.
Divine Buster -- Copied off Nanoha's. Consumes 2x cartridges.
She also did homages to at least four different Robot series (GaoGaiGar. Gear Fighter Dendoh. Combattler V. Alteisen(SRW))