Inspiring Statuary [Murders at Karlov Manor Commander]

Set: Murders at Karlov Manor Commander Type: Artifact Rarity: Rare Cost: {3} Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.) Ghirapur's most celebrated inventors have been immortalized in clockwork.