Orzhov Charm

When you activate this charm, you may cast Bestow Curse or Fear.
Alternatively, when a creature you can see within 30 feet of you is reduced to 0 hit points, you can use your reaction to have it
drop to 1 hit point instead.
Spell Save DC 15, Spell Attack Bonus +7, Spellcasting Ability Modifier +4
The charm vanishes after you activate it.