Whir of Invention [Aether Revolt] Unhinged reveal the top card of

reveal the top card of your library and put that card into your hand

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost

I just don't like to limit my options

Each artifact you tap after you're done activating mana abilities pays for {1}

what remains to be saved

Whir of Invention [Aether Revolt] Unhinged reveal the top card ofSet: 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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.