Krenkcrow

Flying, Menace, Indestructible
When another Goblin or Bird Creature dies
place a Crow Counter on Krenkcrow.
When Krenkcrow is Sacrificed or Exiled,
remove all Crow Counters from Krenkcrow
and place a 1/1 Goblin Bird token with Flying
onto the battlefield for each counter removed.
{r}{b}, Retch - Sacrifice Krenkcrow:
Draw a Card