Graceful fey descendants with keen senses and trance.
Racial Traits
Elven Lineage. Choose a lineage (Drow, High Elf, or Wood Elf). You gain its level 1 feature and extra spells at levels 3 and 5. These spells can be cast once per Long Rest without a slot, or with spell slots. Choose Intelligence, Wisdom, or Charisma as spellcasting ability.
Fey Ancestry. You have Advantage on saving throws to avoid or end the Charmed condition.
Keen Senses. You have proficiency in Insight, Perception, or Survival.
Trance. You do not need sleep, magic cannot put you to sleep, and you can finish a Long Rest in 4 hours of trancelike meditation while remaining aware.
Darkvision. You have Darkvision out to 60 feet.
Subraces
High Elf
You know Prestidigitation and can swap it for another Wizard cantrip after each Long Rest. At level 3 you gain Detect Magic, and at level 5 Misty Step.
Drow
Your Darkvision range increases to 120 feet and you know Dancing Lights. At level 3 you gain Faerie Fire, and at level 5 Darkness.
Wood Elf
Your Speed becomes 35 feet and you know Druidcraft. At level 3 you gain Longstrider, and at level 5 Pass without Trace.