Prices from TCGplayer, Card Kingdom, Mana Pool and Cardmarket, updated nightly · targets, history, alerts, and a read-only share link — no account, just a passphrase
Deck exports name the copy you own; a watchlist usually wants the cheapest printing, so this is off by default.
A number is a fixed target. low follows the historic low as it moves; low-10% stays 10% under it; -20% means 20% under today's price.