Sketchy Business

In a tight spot you do some sketchy business
with a seedy salesman.
Perception: Insight DC 13 + CCRL.
Success: Good deals like this are hard to find.
Discard X treasures, then draw X treasures.
Failure: Too good to be true or too good to pass up?
Roll 1d6: Discard that many treasures.
Roll 1d4: Draw that many treasures.