Kythor, Warlock of The Luxon

Whenever you cast an instant or sorcery, roll a d20.
1 -5| Exile that spell after it resolves.
6 -10| Scry 2
11 -17| Each opponent loses 1 life. you gain life equal
to the life lost this way.
18 -20| Copy that spell. You may choose new targets
for the copy.

You may cast instants and sorcery from your
graveyard. If you do, exile it.