Wiltbreath, Golgari Sovereign

Flying, deathtouch
{g}{b/g},{t}: Gain three life.
{b}{b}{g},{t}: Destroy target creature.
{b}{b}{b}{g}{g}{g},{t}: You get a Green and Black artifact token with indestructible and "At the beginning of your upkeep, choose one:
•Destroy target artifact
•Gain three life"