Genesis 49:15
“And he saw that rest was good, and the land that it was pleasant; and bowed his shoulder to bear, and became a servant unto tribute.”
Zebulun shall dwell at the haven of the sea; and he shall be for an haven of ships; and his border shall be unto Zidon.
Issachar is a strong ass couching down between two burdens:
And he saw that rest was good, and the land that it was pleasant; and bowed his shoulder to bear, and became a servant unto tribute.
Dan shall judge his people, as one of the tribes of Israel.
Dan shall be a serpent by the way, an adder in the path, that biteth the horse heels, so that his rider shall fall backward.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“Issachar is a strong ass couching down between two burdens:”
“And his brethren also went and fell down before his face; and they said, Behold, we be thy servants.”
“Also regard not your stuff; for the good of all the land of Egypt is yours.”
“Joseph is a fruitful bough, even a fruitful bough by a well; whose branches run over the wall:”
“And when money failed in the land of Egypt, and in the land of Canaan, all the Egyptians came unto Joseph, and said, Give us bread: for why should we die in thy presence? for the money faileth.”