H: Onslaught Fetches | W: Khans Fetches

Hey guys, looking to turn my Onslaught fetches into Khans versions if possible.  The Onslaught fetches I have are:

Polluted Delta
Windswept Heath
Bloodstained Mire
Wooded Foothills

Now obviously the prices are not the same for the different versions, so I'd be looking to get either multiple fetches or additional value in return for my Onslaught ones.  If anyone is interested in this, send me a trade offer.

DTrain