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398. There are two types of Game Actions:

398.1. Discretionary Actions

398.1.a. A Discretionary Action is a Game Action that may be performed at any time during a player's turn during a Neutral Open State. See rule 307. States of the Turn for more information.
398.1.b. A player may take any number of Discretionary Actions available to them during their turn.
398.1.b.1. As long as any conditions, if applicable, are met.
398.1.b.2. As long as any costs, if applicable, are paid.
398.1.b.3. As long as it does not result in any forbidden action being taken or game state being created. Example: A player can't use the Standard Move discretionary action to move a unit to a Battlefield that's already occupied by Units controlled by two other players.

398.2. Limited Actions

398.2.a. A Limited Action is a game action that a spell, ability, or circumstance of the turn's progression causes the player to perform. A player cannot perform these actions at-will.
398.2.b. These actions can only be taken when a player is instructed to do so as the execution of an effect or during their specified occasion during the turn. Example: A player may Draw during the Draw Step of the Beginning Phase of their turn or when instructed to do so by a spell or ability. They can't choose to Draw at any other time.
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