Core RulesRule 440 BurnBurn440.1 Burning is the act of moving cards from the top of a player’s Main Deck to their trash.440.2 This action is formatted as "Burn X."440.3 Burning is a Limited Action.440.4 When Burning is part of an effect, then a player must Burn as many cards as possible. If instructed to burn more cards…Official Core Rules