That is tempting, but there are easier ways to build a deck that gives you lots of black mana
All of a sudden you start looking for ways to double-dip, finding removal spells that deal with enemy creatures that are also auras themselves - like swapping out the standard Banishing Light (a three-mana spell that exiles a target nonland permanent until it leaves the board) for a card like Ossification that does a similar job, but is also an aura that attaches itself to a basic land you control, giving you the removal you need while contributing to your main objective
Land Tax helps get around one of the biggest weaknesses in Mono-White, ensuring you'll always have mana to cast your spells
Marcy: The Evil Tree returns, here at the moment of his re-awakening in FFV
Bayshore Town Center Open Nownew location next to the Rotunda entrance
I once used Damnation, killed all creatures, ultimated her, and then swung with haste via Anger and killed all three opponents at once