Historical Rules · 3 May 2019
Rule 500.4
Official source text from the 3 May 2019 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 · 3 May 2019
Official source text from the 3 May 2019 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.