Legacy's Allure is a uncommon Enchantment card from The List (PLST), collector number TMP-71. Current market price: $0.20, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, you may put a treasure counter on this enchantment. Sacrifice this enchantment: Gain control of target creature with power less than or equal to the number of treasure counters on this enchantment. (This effect lasts indefinitely.)