I would rather see traditional Legacy survive and thrive, but this isn't possible
Suspend decks absolutely love this card to cheat out big threats early
With convoke, you can sometimes play the card for free, providing you're going wide enough
With Azami out, you can tap any of your Wizard creatures to draw a card, which is exceptionally straightforward and very easy to have spiral out of control
If your opponents love filling the board with tokens with cards like Avenger of Zendikar or Doubling Season, Blasphemous act is one card they will fear
At the very first development meeting, lead developer for the set Henry Stern started the meeting with, "Can we just get rid of these?" I was also on the development and replied, "We have to at least play with them first." The Magic brand team also wanted to get rid of them