Whir of Invention [Aether Revolt Prerelease Promos] Dragons of Tarkir Promos Set: Battlebond Type: Enchantment Mythic

Set: Battlebond Type: Enchantment Mythic Cost: {4}{G} If an effect would create one or more tokens under your control

Set: Arabian Nights Type: Creature — Turtle Rarity: Common Cost: {1}{U} Giant Tortoise gets +0/+3 as long as it's untapped

Set: Friday Night Magic 2010 Type: Land Rare Cost: {T}: Add one mana of any color

then shuffle their library

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Whir of Invention [Aether Revolt Prerelease Promos] Dragons of Tarkir Promos Set: Battlebond Type: Enchantment MythicSet: 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.