Historical Rules · 13 November 2015
Rule 117.7d
Official source text from the 13 November 2015 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 · 13 November 2015
Official source text from the 13 November 2015 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.