十会盟印 {5}

Name: 十会盟印 (Commander 2015)
Brand: Magic: The Gathering
SKU: e5256bf8-0730-4469-b04b-762740df72cb

神器

于十会盟印进战场时，选择两种颜色。对你施放的咒语而言，该咒语每有一种所选颜色，便减少{1}来施放。

「我宁愿看着公会在权力大厅上斗嘴，也不愿见到街头动武。」～杰斯贝连

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
You must choose two different colors. (2015-11-04)
Seal of the Guildpact’s last ability doesn’t change the mana cost or converted mana cost of any spell. It changes only the total cost you pay. (2015-11-04)
Seal of the Guildpact’s last ability can’t reduce the amount of colored mana you pay for a spell. It reduces only the generic component of that cost. (2015-11-04)

If there are additional costs to cast a spell, or if the cost to cast a spell is increased by an effect (such as the one created by Thalia, Guardian of Thraben’s ability), apply those increases before applying cost reductions. (2015-11-04)
The cost reduction can apply to alternative costs such as evoke costs. (2015-11-04)
If a spell you cast has {X} in its mana cost, you choose the value of X before calculating the spell’s total cost. For example, if that spell’s mana cost is {X}{R}{G} and you’ve chosen red and green, you could choose 5 as the value of X and pay {3}{R}{G} to cast the spell. (2015-11-04)