Seismitoad [Poke Ball] #21 Pokemon Black Bolt Keep track of your collection value over time
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"Using Field Experiments to Test Equivalence between Auction Formats: Magic on the Internet" (PDF)
Weve seen Scry play in this vein with Flameblade Adept and Knowledge and Powerthe only two Scry-matters card to the best of my recollection, unless you count cards like Riddle of Lightning
Upon investigation, it was discovered that one of the player's cards ( Time Walk , which is still a massive Game-Breaker and one of the Power Nine, but isn't an instant win on its own) read, 'When this card is played, opponent loses next turn' (as in, 'the opponent skips his next turn'), but the player interpreted the text to mean 'the opponent loses the match next turn' and had been using that inadvertent loophole as an instant-win condition
For example, here are two (Shivan Dragon), one damaged by the sun, and one with a genuine printing error