Demon of the Pentagram

{b}{b}{r}: Until end of turn, Demon of the Pentagram becomes a red and black 6/6 Demon creature with flying and deathtouch. Put a pentagram counter on Demon of the Pentagram.
{t}, Remove five pentagram counters from Demon of the Pentagram: Demon of the Pentagram gains first strike and lifelink. Draw five cards and lose 5 life.