Ghost Quarter [Innistrad] SPA Sierpescoria con puas nonland card revealed this way

nonland card revealed this way and cast it without paying its mana cost

"You would never guess

Set: Nemesis Type: Instant Common Cost: {1}{G} Cast this spell only during the declare blockers step

Set: Khans of Tarkir Type: Creature — Human Monk Rarity: Common Cost: {1}{R} {2}{W}: Leaping Master gains flying until end of turn

Set: Mirage Type: Instant Rarity: Rare Cost: {R} Exile target permanent you own or control

Ghost Quarter [Innistrad] SPA Sierpescoria con puas nonland card revealed this waySet: Innistrad Type: Land Uncommon Cost: {T}: Add {C}. {T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle their library. Deserted, but not uninhabited.