Reverse Engineer [Aether Revolt]

Set: Aether Revolt Type: Sorcery Rarity: Uncommon Cost: {3}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)Draw three cards. The Hold, an illegal research facility in a derelict merchant ship, became a wellspring of renegade intelligence.