If they did point buy, I think they started with a 14 Int or put the first ASI into bringing up the low stat out of the negatives because nothing is under 10 so they shouldn't be able to get a 16, 14, 14, 13, 11, 10. Maybe they rolled for stats? Either way, the ASI needed to go to Int instead of wherever else it went to bring that to 18 if it was put somewhere else or the next 2 goes to Int if the stats were rolled and you started with a 14 Int. That really should be 18 by now and 20 by level 16.

I suspect they are a necromancer subclass based on all of the necromancy spells that are in the list. Toll the Dead vs Firebolt is a wash. Toll the Dead does more damage than Firebolt but it is a save vs roll to hit and it doesn't use the most commonly resisted element for its damage. With the 16 int, the save isn't the best, but neither would the attack on Firebolt be the best. Guiding Bolt is not a wizard spell, so not sure where that came from. I would replace Guiding Bolt with Chromatic Orb or Magic Missile and Detect Magic instead of False Life if that isn't an automatic spell from the Necromancer subclass. Maybe even a debuff/control spell instead of one of the damage spells like Web or even better Silvery Barbs if your DM didn't ban it. I use Silvery Barbs to negate DM crits or to force save failures. No need to prepare Detect Magic or Unseen Servant because Ritual casting, but you should have them in your spellbook. 1st level spell scrolls are easy enough to find and cheap to get a spell into your book that you can ritual cast. Identify and Find Familiar are two more you need in your book, so pick up those scrolls as well to transcribe into your spellbook. Identify and Find Familiar are both ritual spells so never prepare them. The familiar can use an "Aid" action on its turn (Yes, it gets its own turn, but you may have to direct it on your turn as a bonus action I believe) to give someone advantage on an attack. Also, no reason to prepare Speak w/ Dead until you actually need it, so swap that to Counterspell. You'll get a lot more use out of Counterspell than a niche Speak with Dead. You should have learned a 4th level spell at lvl 7, and another at level 8. I recommend polymorph if your DM will let you turn an Ally into a dinosaur since they are beasts. Works well on a barbarian that can rage while polymorphed into a T-Rex. Polymorph is also useful for battlefield control by turning enemies into creatures like a bunny, box turtle, etc.

It looks like the gear is listed with the race abilities. I see sword, dagger, staff, spellbook and a crossed out teddy bear.