Arzoth, Blood Bountyhunter

Arzoth deals damage to creatures in the form
of -1/-1 counters.
Whenever a permament taps you may pay
3 life or {b}{b}{b}, if you do put a bounty token
on it.
Pay 5 life, {t}: Detroy all permanents with a
bounty counter on it.
"My services are costly but the job gets done,
I assure you."