Memory Test

Card Text

When Memory Test enters the battlefield, target opponent exiles cards from the bottom of their library until they exile five nonland cards, then turn those nonland cards face down.
Visit — Name the exiled face-down cards, then look at them. If you named them correctly, turn them face up, then claim the prize!
Prize — Create three 1/1 red Balloon creature tokens with flying, then sacrifice Memory Test and open an Attraction.