ジェイスの精査 {1}{U}

インスタント

クリーチャー１体を対象とする。ターン終了時まで、それは－４/－０の修整を受ける。

調査を行う。（手掛かり・トークン１つを生成する。それは、「{2},このアーティファクトを生け贄に捧げる：カード１枚を引く。」を持つアーティファクトである。）

「雑多な映像の羅列だ。謎の石、海、難破した船の残骸。」

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
The token is named Clue Token and has the artifact subtype Clue. Clue isn't a creature type. (2016-04-08)
The tokens are normal artifacts. For example, they can be sacrificed to cast Angelic Purge or targeted by Root Out. (2016-04-08)

If you sacrifice a Clue for another card's cost or effect, such as that of Angelic Purge or Tamiyo's Journal, you can't also pay {2} and sacrifice it to draw a card. (2016-04-08)
You can't cast a spell without choosing legal targets. If all of those targets become illegal, the spell doesn't resolve and you won't investigate. (2016-04-08)