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Seal of the Guildpact
Oracle Text
As this artifact enters, choose two colors.
Each spell you cast costs {1} less to cast for each of the chosen colors it is.
Card Details
Mana CostCharacter Background
Seal of the Guildpact is a late-game cost reducer that best supports tempo-advantage and midrange/value plans — or combo shells that need to assemble expensive multicolor pieces faster — rather than raw aggro, because you pay five mana up front for a persistent discount. As it enters you pick two colors, and every spell you cast is cheaper by one mana per chosen color it is, so the card really shines in decks built around consistent two-color combinations or heavy multicolor spells (think big two-color planeswalkers, multicolor value creatures or X-cost finishers). Deckbuilding tip: prioritize the two colors you cast most often and pair the Seal with color-fixing (shock/fetch/dual lands or mana rocks like Arcane Signet) to reliably make use of the discount; it also synergizes with combo lines that benefit from shaved mana (rituals + storm pieces) and with cascade/cheapening effects. Because it’s an artifact, it’s also easy to tutor or recur, making it a powerful long-term tax break in slower shells.
Generated using gpt-5-mini
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Character Background
Seal of the Guildpact is a late-game cost reducer that best supports tempo-advantage and midrange/value plans — or combo shells that need to assemble expensive multicolor pieces faster — rather than raw aggro, because you pay five mana up front for a persistent discount. As it enters you pick two colors, and every spell you cast is cheaper by one mana per chosen color it is, so the card really shines in decks built around consistent two-color combinations or heavy multicolor spells (think big two-color planeswalkers, multicolor value creatures or X-cost finishers). Deckbuilding tip: prioritize the two colors you cast most often and pair the Seal with color-fixing (shock/fetch/dual lands or mana rocks like Arcane Signet) to reliably make use of the discount; it also synergizes with combo lines that benefit from shaved mana (rituals + storm pieces) and with cascade/cheapening effects. Because it’s an artifact, it’s also easy to tutor or recur, making it a powerful long-term tax break in slower shells.
Generated using gpt-5-mini · Updated at 2026-05-16 11:40:44 UTC