Bayle the Dread

Haste, menace, trample

As Bayle enters, put fifteen-1/-1 counters on it.
{1}{b}{r}, Remove three -1/-1 counter from Bayle:
Deal X damage to target creature where X is Bayle's
power, then if Bayle has no -1/-1 counters on it, it
gains flying and deals 20 damage to each opponent.

"CURSE YOU BAYLE! I hereby vow!
You will rue this day!"- Igon Drakehunter