Spire of Industry [Aether Revolt] Fighting Tap five untapped Myr you

Tap five untapped Myr you control: Search your library for a Myr creature card

Set: Crossed Souls Card type: Continuous Trap Rarity: Super Rare If your opponent Special Summoned a monster(s) this turn: Activate this card by targeting 1 monster in your opponent's Graveyard

They can be activated this turn

Set: Neo Revelation Unlimited Type: Fire Rarity: Uncommon Retreat cost: Colorless

The book shrieks horribly until its cover is opened

Spire of Industry [Aether Revolt] Fighting Tap five untapped Myr youSet: Aether Revolt Type: Land Rarity: Rare {T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact. A beacon of prosperity to some, a shadow of oppression to others.