Ancient Excavation is a uncommon Instant card from The List (PLST), collector number PZ2-38. Current market price: $0.27, TCGplayer market prices via Scryfall.
Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)