Nichols, Treasure Hoarder

+1: Create a colorless artifact token called Gold, with "Tap, sacrifice this artifact, add one mana of any color to your mana pool."
-3: Sacrifice an artifact, Nichols, Treasure Hoarder deals damage to target creature or planeswalker equal to the artifacts converted mana cost.
-8: You get an emblem with "Whenever you activate an ability of an artifact, copy that ability. You may choose new targets for the copy."