冶金召喚 {3}{U}{U}

結界

每當你施放瞬間或巫術咒語時，派出一個X/X無色組構體衍生神器生物，X為該咒語的總魔法力費用。

{3}{U}{U}，放逐冶金召喚：將所有瞬間與巫術牌從你的墳墓場移回你手上。只能於你操控六個或更多神器時起動此異能。

Illustrated by Kieran Yanner

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
For a spell with {X} in its mana cost, use the value chosen for X to determine its mana value. For example, Clash of Wills is an instant spell with mana cost {X}{U}. If you chose 2 as the value of X, then Clash of Wills has mana value 3, and Metallurgic Summonings's ability will create a 3/3 token. (2016-09-20)
Metallurgic Summonings's first ability resolves before the spell that caused it to trigger. (2016-09-20)

If Metallurgic Summonings's first ability resolves and the spell that caused it to trigger has been countered, use that spell's mana value as it last existed on the stack to determine the value of X. (2016-09-20)
The number of artifacts you control is checked only as you activate Metallurgic Summonings's last ability. It's not checked again as it resolves. (2016-09-20)