Jamira, Expert Salvager

When Jamira, Expert Salvager enters the battlefield, target opponent may have you create a Treasure token. If they don't Jamira, Expert Salvager deals 2 damage to any target. (It's an artifact with "{t}, Sacrifice this artifact: Add one mana of any color.")
{2}{b}, {t}, Sacrifice an artifact: Return target artifact card from your graveyard to the battlefield.