Although there can only be 30 cards in Hearthstone in the deck, sometimes you need to compare and compare. It was difficult to do this with a limitation of 30 cards, but with a patch 23.4 players can have more than 30 cards in their demker.
What is an overcap function in Hearthstone?
You can add more than 30 cards to your decks by going to my collection. Just continue to add cards until the deck exceeds 30 cards. This is a function of ceiling, developed to give you more freedom in organizing your cards. If you leave this particular deck and move to another deck, additional cards will still remain in the deck.
In fact, the overlap function allows you to simultaneously view several cards in your deck without the need to immediately find the one you want to remove.
Can I play Hearthstone with a crowded deck?
You cannot play Hearthstone with a crowded deck. The game will allow you to play only with the allowed number, which is equal to 30. When you play Hearthstone and look at the decks that you can use, it seems to you that there are too many cards in the deck. To continue to use this deck, you can always go to the My Collection and reduce the number of cards to 30.
To find out more about Hearthstone, read the section How to get all the awards for the book of the heroes: Faelin in Hearthstone or How to get a tireel archangel in Hearthstone here in the game manuals for professionals!