Bloodstealer

When this creature comes into play, create X 2/1 Blackheart Vampires with lifelink and "{b}, Exile this creature: create a 1/1 black bat with Flying, Haste and "Sacrifice this creature: return Blackheart Vampires to the battlefield" where X is your devotion to black. Tribalize, lifelink, bloodthirst 1. On your endstep, create a 1/2 black vampire with Flying and "Pay 2 life: create a 1/1 black bat with Flying." When a Vampire or Bat attacks, you may get an emblem with "sacrifice a creature: put a +1/+1 cou