Historical Rules · 25 August 2017
Rule 605.5
Official source text from the 25 August 2017 Rules release
Abilities that don’t meet the criteria specified in rules 605.1a–b and spells aren’t mana abilities.
Historical Rules · 25 August 2017
Official source text from the 25 August 2017 Rules release
Abilities that don’t meet the criteria specified in rules 605.1a–b and spells aren’t mana abilities.