Jade, Artful Slaughterer

Deathtouch, menace

Ward—Sacrifice a nonland permanent.

Whenever Jade deals combat damage to a player or you cast an enchantment, instant or sorcery spell,
you may pay {1}{b}. If you do, destroy target nonblack creature or planeswalker. If a legendary permanent is destroyed this way, put a +1/+1 counter on Jade.