The cover blurb has the Arizona Raines story title, but the illustration has no connection to the story.
Crandall is credited on this cover by Jim Vadeboncoeur, Jr at Digital Comics Museum.
Jim Vadeboncoeur, Jr. at Digital Comics Museum has Gustavson only on pencils here.
All Gustavson credits verified and courtesy of Terry Gustafson, son of Paul Gustavson.
Jim Vadeboncoeur, Jr has Morisi on artwork.
Writer credit by Martin O'Hearn. Formerly credited to Pete Morisi.
1) Most probably Sultan on pencils. He is credited on pencils on this feature by Jerry Bails' Who's Who, and the horses are identical to those in the Whip story in Crack Western #84. Compare page 5 panel 4 here with page 4 pane 7 in #84.
2) Reed Crandall suggested by Saltarella