Whir of Invention [Aether Revolt Prerelease Promos] Rat Rogue you may have this creature

you may have this creature become a copy of target creature

"I was there to watch my brothers' quenching

Set: Champions of Kamigawa Type: Legendary Land Rarity: Rare {T}: Add {B}

" —Toshiro Umezawa

target player may put Pir into their hand from their library

Whir of Invention [Aether Revolt Prerelease Promos] Rat Rogue you may have this creatureSet: Aether Revolt Prerelease Promos 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.