The ornamental design for a propel/repel dispenser with collar, as shown and described.
FIG. 1 is a top view of FIG. 2;
FIG. 2 is a side view of my design, wherein each side is a mirror image of the others;
FIG. 3 is a bottom view of FIG. 2; and,
FIG. 4 is an exploded view of FIG. 2.