Historical Rules · 26 August 2016
Rule 500.4
Official source text from the 26 August 2016 Rules release
When a step or phase ends, any unused mana left in a player’s mana pool empties. This turn-based action doesn’t use the stack.
Historical Rules · 26 August 2016
Official source text from the 26 August 2016 Rules release
When a step or phase ends, any unused mana left in a player’s mana pool empties. This turn-based action doesn’t use the stack.