Loot, the Key to Everything is a mythic Legendary Creature — Beast Noble card from The Big Score (BIG), collector number 86. Current market price: $3.91 (foil $3.87), TCGplayer market prices via Scryfall.
Ward {1} At the beginning of your upkeep, exile the top X cards of your library, where X is the number of card types among other nonland permanents you control. You may play those cards this turn.