Hospitable Broker

At the beginning of your upkeep, you may put
the top card of your library into your graveyard.
If you do, create a colorless Gold artifact token
with "{t}, Sacrifice this artifact: Add one mana of
any color."
{t}, Sacrifice an artifact: Tap or untap target permanent.
"I deal in all goods. Never know when the profit is
there, traveller."