man with the ax

Proper noun

slang

(card games, slang) The king of diamonds in a deck of playing cards.

Japanese Meaning

ダイヤのキング（トランプのキング・オブ・ダイヤモンドを指すスラング表現）

At the final hand, the man with the ax laid down the winning card and the room erupted.

最終局で、ダイヤのキングが勝利の切り札として出されると、部屋中がどよめいた。

Sense（1）

(card games, slang) The king of diamonds in a deck of playing cards.

The game is seven card high/low with a buy on the last card. And just to make it more interesting, the man with the ax takes all.