Historical Rules · 23 April 2010
Rule 703.4n
Official source text from the 23 April 2010 Rules release
When each step or phase ends, any unused mana left in a player's mana pool empties. See rule 500.4.
Historical Rules · 23 April 2010
Official source text from the 23 April 2010 Rules release
When each step or phase ends, any unused mana left in a player's mana pool empties. See rule 500.4.