Trader from the Abyss

When Trader from the Abyss comes into play, put a colorless artifact named "Treasure" onto the battlefield. It has "{t}: Sacrifice this artifact: Add one mana of any color to your mana pool."
{t} Sacrifice X treasure tokens: You may search your library for a creature card with converted mana cost less than or equal to X. You may put this card onto the battlefield. You lose X life.