I think the club wouldn't see much point in those pick changes. It's pretty unlikely that having pick 30 instead of 35 is going to change our player selection, especially as the club does back Wells to pick diamonds from the rough, so they might prefer to lose pick 35 in exchange for dropping a few places but picking up an additional pick.
My thinking was doing it this way so we actually retain a second round pick rather than forgoing it with a trade for Clark. I suppose it depends on what we are likely to receive for Varcoe. May end up being swings and roundabouts in the end.