Playing a minion card places that minion onto the battlefield. This process is known as 'summoning'. Each minion has a mana cost value, shown in the top left corner of the card, which shows the amount of you must pay to summon the minion. Successfully playing a minion card will transform the card into the minion itself, which will then appear upon the battleground represented by a portrait. Once summoned the minion will stay on the battlefield until it is or to the hand of its owner. Minions can be destroyed by reducing their to zero, or by using destroy effects such as to remove them directly. Note that if a minion is returned to its owner's hand, or back into the owner's , its Attack and Health will return to their original values, and any will be removed. However, will not be reversed by returning a minion to its owner's hand or deck; the transformed minion is considered an entirely different card from what it was transformed from, and that is what is "returned" to the deck.. Each minion has a mana cost value, the player will not be able to summon further minions. Minion cards and summon Hearthstone features the following minion . In this article, you will find a list of all the neutral minions that have a cost of 6 mana, 7 mana, or more in Hearthstone..