Whir of Invention [Aether Revolt Prerelease Promos] Rivals of Ixalan Set: Dragons of Tarkir Promos

Set: Dragons of Tarkir Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{G}{W} Dragonlord Dromoka can't be countered

and it can block creatures with flying

Set: Time Spiral Type: Creature — Human Wizard Rarity: Rare Cost: {3}{U}{U} {T}

Set: Fifth Edition Type: Creature — Elemental Rarity: Rare Cost: {R}{R}{R}

Whir of Invention [Aether Revolt Prerelease Promos] Rivals of Ixalan Set: Dragons of Tarkir PromosSet: 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.