< the signs as Harry Potter spells >

Aries: Bombarda Maxima - creates an explosion

Taurus: Imperio - controls the opponent 

Gemini: Silencio - mutes the opponent

Cancer: Protego - barrier that offers protection

Leo: Expelliarmus - disarms the opponent

Virgo: Episkey - heals wounds

Libra: Cantis - makes the victim sing uncontrollably 

Scorpio: Avada Kedavra - kills the opponent 

Sagittarius: Alohomora - unlocks doors

Capricorn: Reparo - repairs broken things

Aquarius: Aparecium - makes invisible ink readable

Pisces: Obliviate - erases memory

it's leviosa, not leviosar!

that would've been better if they added it...