Whir of Invention [Aether Revolt] Special Colorless Energy Communication and teamwork are critical

Communication and teamwork are critical to survival because there's no time to form a carefully considered plan — and no predicting what dangers lie ahead

and to the player who builds the longest continuous railway

and whoever played the winning caption card wins the round

Ninja Dojo Fight

Whir of Invention [Aether Revolt] Special Colorless Energy Communication and teamwork are criticalSet: Aether Revolt 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.