Molten Echoes [VOC - 148] Printing:Normal create X tokens that are

create X tokens that are copies of another target creature you control

Sacrifice this artifact: Add one mana of any color

it becomes the following:

You will receive 50 random  Stamped Promo Pack cards

You will receive 50 random International Collector's Edition cards

Molten Echoes [VOC - 148] Printing:Normal create X tokens that areRarity: R #: 148 Creature Type or Sub Type: Enchantment Rules Text Contains: As Molten Echoes enters the battlefield, choose a creature type. Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token thats a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.