Lorehold Excavation is a uncommon Enchantment card from Strixhaven: School of Mages (STX), collector number 200. Current market price: $0.21 (foil $0.33), TCGplayer market prices via Scryfall.
At the beginning of your end step, mill a card. If a land card was milled this way, you gain 1 life. Otherwise, this enchantment deals 1 damage to each opponent. (To mill a card, put the top card of your library into your graveyard.) {5}, Exile a creature card from your graveyard: Create a tapped 3/2 red and white Spirit creature token.