Fisherman's Quarterstaff

When Fisherman's Quarterstaff enters the battlefield, attach it to Azvel, Merchant of Death
Fisherman's Quarterstaff enters the battlefield with 3 charge counters on it
Remove 1 charge counter: Tap target creature, it doesn't untap during its controller's next untap step
Remove 1 charge counter: Put a -1/-1 counter on target creature
Remove 1 charge counter: Target creature takes 2 damage and loses flying until it leaves the battlefield