Everything Coming in the Hearthstone Event in World of Warcraft

We have the following information from the news article

The World of Warcraft Hearthstone event starts on the 11th of March until March 18.

We will be able to fight special enemies that will pop up in capital cities and defeating them will add those iconic members to our hearthstone decks.

We will be able to find special Hearthstone matches in capital cities.

From the database, there are following items:

Pets

Sarge

Promotion: Hearthstone 10th AnniversaryHold on a sec, Sarge isn't that large, someone must have spun a tall tale in the Hearthstone Tavern...

Image by Lazey (@patf0rd)

Mounts

Compass Rose

“Pried from a giant Hearthstone game box”Seems that this is tied to a hearthstone game that you will get by either play or via a quest.

Fiery Hearthsteed

Rewarded when logging into Hearthstone between March 11 and May 14* No additional purchase necessary for the Fiery Hearthsteed mount. Limited-time offer only available to those who login to Hearthstone between March 11 and May 14. Mount not available in World of Warcraft® Classic games.

Toys

Hearthstone Game Table

Rewarded by completing the achievement “Hearthstone Beginner”.

To complete this achievement you must collect 10 Hearthstone cards.

We will be able to fight special enemies that will pop up in capital cities and defeating them will add those iconic members to our hearthstone decks.

We will be able to find special Hearthstone matches in capital cities.

Stone of the Hearth

Looks like this will be a hearthstone.

Transmogs

Reno

There are two transmog hats

Reno´s Lucky Hat
Reno´s Hat

Reno is part of the The League of Explorers in Hearthstone. This will either be a questline in which we will get Reno´s hat as reward or it will be more difficult to obtain it. More hidden. Reno is in Dragonflight by participating in the secret brawl fight in the Valdrakken inn where you must /bow a dragon statue to enter the secret room.

Taverner´s Belt

This is a hearthstone waist transmog. No info yet on how to obtain this.

The tavern's tabard

No info yet on how to obtain this.

Other items

Invitation Letter

Also found in the database which will probably be the starting point of the event that helps the player to know where to go.

Hearthstone Wild Card

This is used to be able to play near a Hearthstone Game Table.