Lute Salesman

When you play Lute Salesman, put three lute tokens on to Lute Salesman.
{2}: Remove a lute token from Lute Salesman, any player may activate this ability.
As long as Lute Salesman has a lute counter on it, it has +3/+3 and has "whenever a creature enters the battlefield under your opponent's control, put a -1/-1 counter on it."
You should have bought a lute.