Tyrion Lannister, the Imp

When Tyrion Lannister, the Imp enters the battlefield, create three colorless artifact tokens
named Gold with "Sacrifice this artifact: Add one
mana of any color to your mana pool."
Sacrifice a Gold: Draw a card and lose 2 life.
Hated by his sister. Hated by his father. Hated by
the Seven. And still very much a cheerful man.