Whir of Invention [Mystery Booster] Plane creatures you control have first

creatures you control have first strike and equip abilities you activate cost {1} less to activate

Set: Judge Gift Cards 2017 Type: Legendary Land Rarity: Rare {T}: Add {G}

if no spells were cast last turn

The sky spread its wings

−8: You get an emblem with "At the beginning of each end step

Whir of Invention [Mystery Booster] Plane creatures you control have firstSet: Mystery Booster 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.