Shade Hunter

Whenever a creature dies, you may add Black
Magic to your spellbook. (You can cast cantrips in
your spellbook once.)
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Black Magic {r}{b}
Sorcery-Cantrip
Deal X damage to target creature, where X is the amount of creatures that died this turn.