Oracle's Vault [Amonkhet Prerelease Promos] Centaur Spirit you may look at the

you may look at the top X cards of your library

Set: Aether Revolt Type: Creature — Human Artificer Rarity: Rare Cost: {3}{U} When Quicksmith Spy enters the battlefield

instead remove all damage from it and destroy this Aura

Set: Antiquities Type: Creature — Phyrexian Demon Rarity: Rare Cost: {4}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach

Oracle's Vault [Amonkhet Prerelease Promos] Centaur Spirit you may look at theSet: Amonkhet Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.