Flashy is fine.<br/><br/>A lot of the Approaches would work.<br/><br/>Careful:  For a longer duration casting with less side effects<br/>Flashy: Would be unsubtle casting.  Exaggerated arm movements, shouting incantations<br/>Forceful: Bashing that spell into someones mind, raw magical power<br/>Quick: Fast Casting or spontaneous spell casting<br/>Sneaky: Trying to cast a spell without someone knowing you are casting a spell.