Battlemage

Spellcasting. The Battlemage is a 6th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). It has the following wizard spells prepared:

Cantrips (at will): frostbite, green flame blade, light, prestidigitation

1st level (4 slots): shield, burning hands, magic missile, absorb elements

2nd level (3 Slots): blur, magic weapon, ray of enfeeblement

3rd Level (3 Slots): lightning bolt, counterspell

War Caster: The Battlemage has advantage on saving throws to maintain concentration on spells it is concentrating on.

War Magic. When the Battlemage uses its action to cast a cantrip, it can make one weapon attack as a bonus action.

Multiattack. The Battlemage can make two Longsword attacks.

Longsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) slashing damage, or 8 (1d10 + 3) slashing damage if used with two hands to make a melee attack.