Heirloom Epic is a uncommon Artifact — Book card from Bloomburrow (BLB), collector number 246. Current market price: $0.25 (foil $0.26), TCGplayer market prices via Scryfall.
{4}, {T}: Draw a card. For each mana in this ability's activation cost, you may tap an untapped creature you control rather than pay that mana. Activate only as a sorcery.