Players have been putting the top card of their library into their graveyard since the Antiquities set, and that's quite a lot of words to say to describe the action. Players have called this "mill," named after the card Millstone, and this term has now been promoted to an official game term.

祭殿はエンチャント・タイプであり、ルール上の特定の意味はない。しかし祭殿はどれも、あなたが祭殿を多数コントロールしているほど強力になる。