Alastor, The Radio Demon

Deathtouch, flying, menace, trample
{b}{t}: Create {x} 1/6 black demon creature token.
{5}{r}{t}: Control 6 target legendary creatures.
with power less than Alastor, the Radio Demon.
{b/r}{b/r}{b/r}{t}: Take a turn after this one.
When Alastor dies, exile him. At the beginning
of your upkeep, if exiled, return Alastor to the
battlefield under your control.
You're never fully dressed without a smile.