I can generate fire and electricity on my own. More options of similar kinds would be of course be a welcome asset but-

I've seen what kind of damage a strong telekinesis can do... [ His face for a moment goes blank, and the emphasis he puts on word "seen", suggests he might mean something else. It's actually a short for "experienced it first hand". But better not to focus on embarrassing memories ] If a spell like this is within realms of possibility, it would probably be my first choice.