神器
在你的维持开始或每当你施放黑色咒语时,在无尽力量祭祠上放置一个充电指示物。

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,牺牲无尽力量祭祠:无尽力量祭祠上每有一个充电指示物,目标牌手便弃一张牌。
Unlike most abilities that force a player to discard cards, this ability may be activated whenever you could cast an instant, including during your opponent’s draw step after they have drawn a card.
You can’t force an opponent to discard a card they cast by activating the last ability in response. The spell is on the stack by then.