Historical Rules · 20 January 2017
Rule 500.4
Official source text from the 20 January 2017 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 · 20 January 2017
Official source text from the 20 January 2017 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.