Because a Spell Card is placed in this zone when it is activated, no further Spell Cards can be used if all 5 spaces are occupied already.

因为魔法的发动要在其发动时安置在魔法陷阱区，所以如果五处皆已使用的情况下将不能发动魔法。

youdao

Lampard's caution sparked a nine-minute spell that brought five yellow cards and saw Wolves rattle the Londoners with by far their best spell of the game.

BBC: eng-prem

Once even a few extort cards are online, every spell becomes potential points off the opposing life total.

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