Zakharia 6:6-7

6:6 The chariot with the black horses is going to the north country and the white ones are going after them, but the spotted ones are going to the south country. 6:7 All these strong ones ¹  are scattering; they have sought permission to go and walk about over the earth.” The Lord had said, “Go! Walk about over the earth!” So they are doing so.

[6:7]  ¹ tn The present translation takes אֲמֻצִּים (’amutsim, “strong”) to be a descriptive of all the horses – white, black, red, and spotted (cf. NAB, NIV, NLT).