Vraska, Swarm's Eminence
{2}{B/G}{B/G}Legendary Planeswalker — Vraska
Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature. −2: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this token deals damage to a planeswalker, destroy that planeswalker."