Metallurgic Summonings [Kaladesh Prerelease Promos] Blue Creatures can't attack you unless

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

the cradle hauling the casket

sacrifice a land

But now I return

Metallurgic Summonings [Kaladesh Prerelease Promos] Blue Creatures can't attack you unlessSet: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell, create an X X colorless Construct artifact creature token, where X is that spell's converted mana cost. {3}{U}{U}, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate this ability only if you control six or more artifacts.