十会盟印 (CS Seal of the Guildpact)

神器    (CMC:5)

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

054 C15 • CSFranz Vohwinkel

™ & © 1993—2015 Wizards of the Coast

Notes: TODO: Update Copyright

Legal in: Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Seal of the Guildpact {5} Artifact As Seal of the Guildpact enters the battlefield, choose two colors. Each spell you cast costs {1} less to cast for each of the chosen colors it is.

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View this MTG card on Gatherer

11/4/2015
You must choose two different colors.
11/4/2015
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.
11/4/2015
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.
11/4/2015
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.
11/4/2015
The cost reduction can apply to alternative costs such as evoke costs.
11/4/2015
If a spell you cast has  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  and you’ve chosen red and green, you could choose 5 as the value of X and pay  to cast the spell.

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Card Seal of the Guildpact is not on TCGPlayer.