謎変化 {1}{U}

エンチャント

あなたがクリーチャーでない呪文を１つ唱えるたび、あなたは「ターン終了時まで、謎変化はそれの他のタイプに加えて飛行を持つ３/３のスフィンクス・クリーチャーになる。」を選んでもよい。

{2}{U}：占術１を行う。

Illustrated by Steve Argyle

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Only the English version of a Magic card receives Oracle updates and errata. View this card in English. (Scryfall note)
Riddleform's first ability resolves before the spell that caused it to trigger but after targets for that spell are chosen. It will resolve even if that spell is countered. (2020-06-23)

If Riddleform becomes a creature the same turn it enters the battlefield, you can't attack with it unless it gains haste. (2020-06-23)