Whir of Invention [Mystery Booster] Planeshift −2: Target creature you control

−2: Target creature you control fights target creature you don't control

its maw becomes primed with acid and a taste for brains

loyalties extend only as far as your purse can stretch

Set: Legends Type: Legendary Creature — Shapeshifter Rare Cost: {1}{W}{U}{B} At the beginning of your upkeep

Whir of Invention [Mystery Booster] Planeshift −2: Target creature you controlSet: 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.