Since the latest patch the Zendikar fetch lands cycle (Scalding Tarn, Marsh Flats, etc - reprinted in MH2) use the really old border instead of the modern one that they used before the patch. As you can't select an art style to switch between the two, this seems to be a bug.

The similar cycle from Onslaught (Wooded Foothills et al - reprinted in MH3) is not affected.