Resting is the main way players can return discarded cards back into their hand of available cards.
A player has two options when resting: a short rest or a long rest.
During the cleanup step of a round, a player can perform a short rest. This allows that player to immediately shuffle his or her discard pile and randomly place one of the cards in the lost pile, then return the rest of the discarded cards to his or her hand.
The rest action can only be taken if a player has two or more cards in his or her discard pile.
If the player would like to instead keep the card that was randomly lost, he or she can choose to suffer 1 damage and randomly lose a different discarded card.
This can only be done once per short rest.