Descendants' Path
Enchantment
At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.
フォーマット
スタンダード : 不可パイオニア : 不可モダン : 可能レガシー : 可能ヴィンテージ : 可能パウパー : 不可統率者戦 : 可能デジタル専用フォーマット
アルケミー : 不可エクスプローラー : 不可ヒストリック : 不可タイムレス : 不可
カード裁定
2012/05/01
原文If you cast a card "without paying its mana cost," you can't pay any alternative costs. You can pay additional costs, such as kicker costs. If the card has mandatory additional costs, you must pay those.
2012/05/01
原文If the card has in its mana cost, you must choose 0 as its value.
2012/05/01
原文If the revealed card is a creature card that shares a creature type with a creature you control, but you choose not to cast it, it's put on the bottom of your library. (This is a recent change.)
data from gatherer