By focusing your arts on magic used to get into places you shouldn't you bring a unique skill set to any team.

Infiltrator's Tools

At 2nd level you gain proficiency in Thief's Tools and Stealth.

Infiltrator's Magic

At 2nd level the following spells are added to your Wizard spell list.

Guidance

Sanctuary

Find traps

Wind wall

Freedom of movement

Tree stride

Advantageous Strike

When you cast a spell that uses your Spell Attack Modifier against an enemy you have advantage against you can add an additional 1d8 of that spells damage type. At 14th level this becomes 3d8 additional damage.

Ethereal Movement

Beginning at 10th level, you can cast the blink spell once per day without using a spell slot. You get this ability back after a long rest.

Aura of Shadow

Starting at 14th level, you can us a bonus action to turn bright light into dim light and dim light into natural darkness as you slink across an area. While within a 15 foot radius of you, you and your allies all have advantage on stealth checks. This lasts for up to half an hour.

Once you have used this feature you can't use it again until you have taken a rest.