Fireball. Fireball. Energy missile [cold]. Order the flying construct to go up there and whoop butt.
SpoilerDice time!
Spellcraft check one! (1d20+10)[14](24)
Spellcraft check two! (1d20+10)[18](28)
First fireball: (7d10)[2][10][5][3][10][1][6](37)
Second fireball: (7d10)[6][5][4][2][7][5][5](34)
Energy missile!
(3d6+3)[1][1][1](6)
Attack roll! (1d20+4)[17](21)
Damage roll! (1d6+4)[3](7)
You goin' down, sucka.