Leyline of the Guildpact gives you a reliable multicolor foundation that reads like a rulebook amendment. If this enchantment is in your opening hand you may begin the game with it on the battlefield, which changes mulligan math and tempo in limited and casual formats. Once active it turns every nonland permanent you control into all colors while making your lands every basic land type in addition to their other types. That interaction opens consistent access to hybrid and color-dependent effects without reshaping your mana base.
From a deckbuilding standpoint the card rewards synergies that care about color identity and basic land types. It pairs cleanly with cards that reference color counts or basic land types and it reduces the friction of casting multicolor spells under pressure. The extended art foil from Murders at Karlov Manor carries subdued gothic architecture in the frame which fits the set and hints at the guildpact’s quiet, binding authority.
Card Details:
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Mana Cost – {W}{U}{B}{R}{G}
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Card Type – Enchantment
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Subtypes – None
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Card Text / Rules Text (Printed) – If Leyline of the Guildpact is in your opening hand, you may begin the game with it on the battlefield. Each nonland permanent you control is all colors. Lands you control are every basic land type in addition to their other types.
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Power / Toughness – N A
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Loyalty – N A
