Opponents didn't even have to show the face-down cards after the game, so an unscrupulous player could technically cast a basic land under the Mask pretending it was a creature to help empty the hand in face of a Black Vise
Typically, Standard sets are among the cheapest products in Wizards of the Coast's catalog, so this sets a worrying new standard
Play With Fire will do more in other formats, but it will definitely find a home in EDH
I then tried to recall situations where Id love to have had this in my hand in my Battlecruiser and Low Power decks - in response to: Diluvian or Sepulchral Primordial
Anzrag, the Quake-Mole Listed at: $21.00 Anzrag, the Quake-Mole presents a unique means of obtaining additional combats: The more your opponents try to stop it, the more combats you get
It's not an evergreen mechanic, and unlikely to become one any time soon