Historical Rules · 3 May 2019
Rule 106.10
Official source text from the 3 May 2019 Rules release
If an effect would add mana represented by a generic mana symbol to a player’s mana pool, that much colorless mana is added to that player’s mana pool.
Historical Rules · 3 May 2019
Official source text from the 3 May 2019 Rules release
If an effect would add mana represented by a generic mana symbol to a player’s mana pool, that much colorless mana is added to that player’s mana pool.