In Hearthstone, the release date for Whispers of the Old Gods is becoming clear.
A system message has now revealed the release date for the Hearthstone expansion. It strongly looks like it’s going to be April 26. This fits well within the time frame: The expansion to Hearthstone was announced for “late April, early May”.
Those who buy the Naxxramas bundle in the shop at the moment receive a warning that they will not be able to use these cards in the Standard format from April 26, but only in the Wild format.

Blizzard has already announced that with the first expansion in 2016 this rule will become active. Indirectly, it seems confirmed: On April 26, “Whispers of the Old Gods” will be released.
The expansion will bring 143 new cards that will be available through a new pack. Blizzard has already introduced numerous new cards in Hearthstone over the past few weeks or had them presented by the community, like Ragnaros in the “good” version or the old god Y’Shaarj.
Our Hearthstone expert Cortyn has already said goodbye to 10 cards that can no longer be played in the Standard format from that day: