Historical Rules · 22 July 2016
Rule 117.7f
Official source text from the 22 July 2016 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 · 22 July 2016
Official source text from the 22 July 2016 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.