『メルカディアン・マスクス』のカード

《魔力流出》

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Enchantment

All artifacts gain "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

Karn said nothing—he just grasped the powerstone and squeezed tightly. The wild flashing ceased.

[3E]:U [4E]:U [5E]:U [AQ]:U [MM]:U [ME4]:U