YOU SAID:

Target player discards a card, then puts the top card of their library into their graveyard.

INTO JAPANESE

そのプレイヤーは自分のライブラリーの一番上のカードを墓地に置く。

BACK INTO ENGLISH

That player puts the top card of his or her library in the graveyard.

INTO JAPANESE

そのプレイヤーは、自分のライブラリーの一番上のカードを墓地に置く。

BACK INTO ENGLISH

That player puts the top card of his or her library in the graveyard.