Whir of Invention [Aether Revolt Prerelease Promos] Foil Once guarded by the Knights

Once guarded by the Knights of the Reliquary

You can't choose the same card twice

Set: Arabian Nights Type: Enchantment — Rarity: Common Cost: {1}{B}{B} When Oubliette enters the battlefield

If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage

Set: Portal Three Kingdoms Type: Instant Uncommon Cost: {U} Cast this spell only during the declare attackers step and only if you've been attacked this step

Whir of Invention [Aether Revolt Prerelease Promos] Foil Once guarded by the KnightsSet: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.