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Seal of the Guildpact

Seal of the Guildpact

{5}Artifact

As this artifact enters, choose two colors.

Each spell you cast costs {1} less to cast for each of the chosen colors it is.

Official rulings

  1. 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)
  2. 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)
  3. Seal of the Guildpact's last ability doesn't change the mana cost or mana value of any spell. It changes only the total cost you pay. (2015-11-04)
  4. You must choose two different colors. (2015-11-04)
  5. The cost reduction can apply to alternative costs such as evoke costs. (2015-11-04)
  6. 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)

Cards like this

Functionally similar cards by meaning — playable in Seal of the Guildpact’s colours.