Whir of Invention [Aether Revolt] White Set: Core Set 2019 Prerelease

Set: Core Set 2019 Prerelease Promos Type: Sorcery Rarity: Rare Cost: {3}{U} Draw cards equal to the highest mana value among artifacts you control

Radiant's eyes flashed

then shuffle

"While most overworlders fortunately don't realize this

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

Whir of Invention [Aether Revolt] White Set: Core Set 2019 PrereleaseSet: 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.