Umezawa's Jitte [From the Vault: Lore] Commander 2013 if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{G} Enchant creature

then add one mana of any color

You may repeat this process any number of times

but I didn't expect it from the building itself

Umezawa's Jitte [From the Vault: Lore] Commander 2013 if that spell's mana costSet: From the Vault: Lore Type: Legendary Artifact Equipment Mythic Cost: {2} Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose one Equipped creature gets +2 +2 until end of turn. Target creature gets 1 1 until end of turn. You gain 2 life. Equip {2}