定命恶魔 {4}{B}{B}

结界生物～恶魔

飞行，践踏

仅于你的每个回合中且限一次，你可以藉由「支付等同于其法术力值数量的生命，而不支付其法术力费用」之方式施放结界咒语。

{2}{B}，牺牲另一个结界：定命恶魔得+X/+0直到回合结束，X为所牺牲结界的法术力值。

6/6

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Commander Masters #762

Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
If you cast a spell for another cost "rather than paying its mana cost," you can't choose to cast it for any alternative costs. You can, however, pay additional costs. If the card has any mandatory additional costs, those must be paid to cast the card. (2023-07-28)

If you cast a spell with {X} in its mana cost this way, the only legal choice for X is 0. (2023-07-28)