YOU SAID:
He isn’t playing with a full deck
INTO JAPANESE
彼はフルデッキで遊んでいません
BACK INTO ENGLISH
He's not playing full deck
INTO JAPANESE
彼はフルデッキをプレイしていません
BACK INTO ENGLISH
He hasn't played the full deck
INTO JAPANESE
彼はフルデッキをプレイしていません
BACK INTO ENGLISH
He hasn't played the full deck
That didn't even make that much sense in English.