YOU SAID:

Im taking this horse by the reigns

INTO JAPANESE

私はこの馬を治世に連れて行きます

BACK INTO ENGLISH

I will take this horse to reign

INTO JAPANESE

私はこの馬を統治します

BACK INTO ENGLISH

I rule this horse

INTO JAPANESE

私はこの馬を支配します

BACK INTO ENGLISH

I dominate this horse

INTO JAPANESE

私はこの馬を支配します

BACK INTO ENGLISH

I dominate this horse