『ザ・ダーク』のカード

《Mana Vortex》

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Enchantment

Each player who controls land sacrifices one land during his or her upkeep. If at any time there are no lands in play, Mana Vortex is destroyed. If you do not sacrifice a land when Mana Vortex is cast, Mana Vortex is countered.

[DK]:R [ME3]:R