Whir of Invention [Aether Revolt Prerelease Promos]Set: 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.

Set: Expedition: Base Set Type: Metal Rarity: Holo Rare Retreat cost: Colorless

Set: Legends Type: Creature — Satyr Rarity: Rare Cost: {2}{G}{G} You may choose not to untap Willow Satyr during your untap step

Set: POP Series 8 Type: Supporter Rarity: Uncommon

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a red spell

Set: Eventide Type: Creature — Beast Rarity: Uncommon Cost: {2}{B/G} {B/G}

instead put it on the bottom of your deck

−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn

Set: World Championships 2004 Type: Grass Rarity: Rare Retreat cost: Colorless

If this spell was kicked

Set: Sword & Shield: Astral Radiance Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Set: POP Series 4 Type: Water Rarity: Common Retreat cost: Colorless

Set: Diamond & Pearl: Legends Awakened Type: Colorless Rarity: Holo Rare Retreat cost: Colorless