Dimir Charm

When you activate this charm, you can cast Blink
or Sleep (3rd level).
Alternatively, when you take damage, you can
use your reaction to turn invisible and teleport
up to 30 feet to an unoccupied space you can see.
You remain invisible until the start of your next
turn or until you attack or cast a spell.
Spell Save DC 15, Spell Attack Bonus +7, Spellcasting Ability Modifier +4
The charm vanishes after you activate it.