後代之路 - 魔法風雲會

Descendants' Path 2G

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 this card without paying its mana cost. Otherwise, put it at the
bottom of your library.

如果抽到的是非生物，就要放到牌庫底?
還是
如果抽到生物，不施放，就要放到牌庫底?

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