Zuma is only partially correct. You don’t need to play the game at the board to get the Achievements I don’t think. I think you can do the hourly event, play Wild Cards near the boards without playing, and defeat mobs that spawn near the boards. Those all can lead to cards to collect. So yes, you can complete the quest and collect cards without sitting at the playing board.
Completing the quest starts Play Hearthstone!, which requires you to play 5 Hearthstone cards or use Hearthstone Wild Card near one of the Hearthstone game tables around the quest giver. Hearthstone Wild Card can be purchased near the Hearthstone table.
he Hearthstone Invitation Letter begins It’s Hearthstone’s Anniversary! which directs you to talk to MC Farala, the Hearthstone Master of Ceremonies in Valdrakken. A free starter deck will have you on your way to Play Hearthstone! and collect cards.
Take a seat at a game table in Valdrakken, Stormwind, or Orgrimmar to play with an opponant
Play Hearthstone Wild Cards near, not at, the game tables
Look out for the Shady Dealer to get Wild Cards
Periodically, special encounters will allow you to defeat iconic minions and add them to your deck
Collect cards for achievements and rewards, including your own Hearthstone Game Table
For one of the Mounts is it a simple login to Retail requirement.
Just log into the retail version of World of Warcraft anywhere to receive the reward for logging in during the event. Then head over to Valdrakken, Stormwind, or Orgrimmar to participate in the anniversary events.
Anyone who logs in between March 11th and March 18th, 2024 will receive the Fiery Hearthsteed mount and a matching Achievement, Hearthstoned: Fiery Edition!