Rhystic Study
Stay with Me
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays 
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イラスト：
Final Fantasy: Through the Ages#31神話レア英語適正
裁定
2004年10月4日
The player gets the option to pay when this triggered ability resolves. This will be after the spell is announced, but before it resolves.
2004年10月4日
You don’t have to decide whether or not you are drawing until after the player decides whether or not to pay.