Thieves' Auction - [Foil] Mercadian Masques (MMQ) RAV or Clue Enchanted permanent is

or Clue Enchanted permanent is a colorless Clue artifact with "{2}

Kicker {X} (You may pay an additional {X} as you cast this spell

Reach Whenever an opponent casts an instant or sorcery spell

then merge into a painting to slide between two worlds — all in a matter of seconds

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities

Thieves' Auction - [Foil] Mercadian Masques (MMQ) RAV or Clue Enchanted permanent isExile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.