MTG Salvation

Quote from Mishotem »

Wonder what the other three Quest artifacts will turn out to be. One of them must be a Holy Grail variant. What else is there in Arthurian lore that would qualify?

There's an thirteenth century middle-Dutch Arthurian novel about Sir Gawain being sent on a quest to retrieve a floating chess board. It's a very obscure text, but I'd love to see it included.