Historical Rules · 10 August 2018
Rule 117.7f
Official source text from the 10 August 2018 Rules release
If a cost is reduced by an amount of mana represented by a Phyrexian mana symbol, the cost is reduced by one mana of that symbol’s color.
Historical Rules · 10 August 2018
Official source text from the 10 August 2018 Rules release
If a cost is reduced by an amount of mana represented by a Phyrexian mana symbol, the cost is reduced by one mana of that symbol’s color.