How about punching some ghosts?

5e SRD >Spells >

Fist for Force

Evocation cantrip

Casting Time:1 action
Range:touch
Components:V, S
Duration:Instantaneous

You focus your energy into your fist and unleash the full furry of your power into the target. Make a melee spell attack against the target. On a hit, the target takes 1d12 force damage.

This spell’s damage increases by 1d12 when you reach 5th level (2d12), 11th level (3d12), and 17th level (4d12).

Thoughts?

Sometimes you just survive. Wizards need a way to survive as well.

Craft Gruel

1st level transmutation

Casting Time:1 action
Range: touch
Components: V, S, M (4 pounds of inorganic matter)
Duration: Instantaneous

You transmute your random matter into 3 pounds of a thin gruel. It is not tasty, but it fills up to three regular humanoids for one day. After one hour the gruel returns to the normal matter if not consumed.

At Higher Levels: When you cast this spell using a spell slot of 2nd level or higher, you can use an additional pound of inorganic matter and create one additional pound of gruel feeding one additional medium creature for every slot level above 1st.

Thoughts?

I want to make sure my wizard dodges. Let’s make illusion better at level one!

Sudden Disappearance

Illusion cantrip

Casting Time: 1 reaction, which you take when you are targeted by an attack
Range: Self
Components: V, S
Duration: the one attack

You quickly flicker in and out of sink with reality to an enemy that is targeting you with an attack. The target must make a Wisdom saving throw. If the target fails, the attacker has disadvantage on the attack.

Thoughts?