Rule 313.1.a
The player with Focus must obey any additional restrictions on which Discretionary Actions may be performed. Example: A player with Focus may not play spells or activate abilities that don't have the Action or Reaction keywords.
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The player with Focus must obey any additional restrictions on which Discretionary Actions may be performed. Example: A player with Focus may not play spells or activate abilities that don't have the Action or Reaction keywords.