Mercadian Masques was released in October 1999 and contained 350 cards. It was the first large set with a foil version of each card (introduced with
Urza's Legacy). There are no Traditional Chinese foils.
Since Mercadian Masques, preconstructed decks had been referred to as theme decks. These contain front cut cards. For Mercadian Masques, they are known in English, Italian, German, French, Spanish, Portuguese and Japanese.
Mercadian Masques Errors
Mercadian Masques was one of the sets with the most errors ever. Almost all kinds of regular and irregular misprints are documented.