Bladesinger Adept

Fey Ancestry. The bladesinger has advantage on saving throws against being charmed,  and magic can't put it to sleep.

Victorious Blades. The bladesinger's melee weapon attacks are magical, and it adds its Intelligence modifier to the weapon's damage (included in the attack).

Bladesong. While the bladesinger isn't wearing Medium or Heavy armor or using a shield, its AC includes its Intelligence modifier, and it has advantage on Constitution saving throws made to maintain concentration on a spell.

Spellcasting. The bladesinger adept is a 3rd-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 13, +5 to hit with spell attacks). The bladsinger adept has following wizard spells prepared:
Cantrips (at will): fire bolt, shocking grasp
1st level (4 slots): shield, absorb elements, longstrider 
2nd level (2 slots): flaming sphere, blur, misty step

Multiattack. The bladesinger adept makes two attacks with its shortsword.

Shortsword. Melee Weapon Attack: +5 to hit, reach 5 ft., 1 target. Hit: 9 (1d6 + 6) slashing damage.