With this new Friend is introduced the new keyword Teamwork
in this case, any/all other earth ponies would all attain the same ability (namely once you confront this card's problem, you may exhaust this card and pay 1 AT to move an opposing character at this card's problem home.).
This could prove significant with orange earth ponies with stubborn (ie Apple Cobbler, Headstrong) simply because being exhausted doesn't effect them.
Also, its ability to move both Friends and Mane Characters home,
Shining Armor, Crystal Prince
Maud Pie, Like a Rock