Whir of Invention [Aether Revolt Prerelease Promos]

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.

Mines became common as cities during the days of the artificers

You can only activate this effect once per turn during your Main Phase

Set: EX: Dragon Frontiers Type: Psychic Rarity: Holo Rare

she does whatever she can to lead her people out of the shadows and into substance

"When I say it rained

Set: Sun & Moon: Forbidden Light Type: Item Rarity: Secret Rare

"Right Leg of the Forbidden One" or "Left Leg of the Forbidden One" is not in your Graveyard

Set: Speed Duel: Tournament Pack 3 Card type: Toon/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2100 Cannot attack the turn it is Summoned

Set: Skyridge Type: Lightning Rarity: Common Retreat cost: Colorless

You pay any costs for the drink

your attacks must target the Toon monster

Set: Dynasty Finish: Cold Foil Type: Weapon Subtype: Rock (2H) Rarity: Marvel Class: Brute Power: 7 Once per Turn Action -- {r}{r}{r}: Attack Activate Rok only if you have no cards in hand