It appears as if Oath of the Gatewatch leaks have continued. Two more unconfirmed cards have been revealed.

The first comes to us as an apparent prerelease promo:

According to Reddit, the card is called Mina and Denn, Wildborn. A Legendary Elf Ally, the card text allegedly reads:

You may play an additional land during each of your turns.

RG, Return a land you control to its owner's hand; Target creature gains trample until end of turn.

The other card appears to be from the next round of Expeditions:

If true, the cycle of Filter Lands like Mystic Gate should receive the full art foil treatement. Also, if true, we may have our first clue to how the mana from the rumored Wastes will function.