UNA-207 Cover the Spot (a)

Visit - Drop three cards you own from outside the game one at a time onto the playing area from a height of at least one foot (about 0.3 meters). If those cards completely cover this Attraction, claim the prize!
Prize - You get , then you may put a sticker on a nonland permanent you own. Sacrifice this Attraction, then open an Attraction.
Lights - 2, 3, 4, 6