Metallurgic Summonings is a mythic Enchantment card from Magic: The Gathering (Kaladesh Promos, PKLD).
Mythic
Kaladesh Promos (PKLD)
{3}{U}{U}
Mana Value
5
Colors
U
Card Text
Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.
{3}{U}{U}, Exile this enchantment: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.