Molten Echoes is a rare Enchantment card from Crimson Vow Commander (VOC), collector number 148. Current market price: $8.79, TCGplayer market prices via Scryfall.
As this enchantment enters, choose a creature type. Whenever a nontoken creature you control of the chosen type enters, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.