Daron, Treasure Seeker

Double Strike, Menace
Daron, Treasure Seeker can't be blocked by creatures with greater power than Daron's.
{2}{w}{b}: Create a colorless treasure artifact token with "Sacrifice this artifact. Add one mana of any color to your mana pool."
Sacrifice a Treasure: Daron Treasure Seeker gets +2/+2 until end of turn.