The bright minds over at MTGSalvation have identified two cards to be found in the upcoming Duel Deck, Phyrexia vs the Coalition:

Original Printing of both Cards

These were discovered by a close analysis of the following tiny image:

Update: Using our state of the art CSI-level technology, we ordered our lab monkeys to 'ENHANCE' and this is what they were able to give us. It is the above image, with the two original cards overlayed on top of the image to show the similarities of card wording.