In the Japanese UI of ver.1.2.13, Soldier says it makes $2 per other attacks in play instead of $1.
(日本語版の兵士の効果、場の他のアタック1枚につき1コインを生むはずが、2コインになっています。)
Thanks for the remark. I forwarded the info to a person involved in the translation.
And fixed with the next version.