Assuming you have at least three mana, and there are enough creatures in play, you can play Demonic Tutor, put Blasphemous Act into your hand and then cast it, all in the same turn
There are a lot of powerful finishers available in these colours that heavily support the theme and what the Commander wishes to accomplish
One of the key problems with powerful cards in multiplayer is that they are often destroyed or feared
While it compares poorly to all-star land cycles like the Shock Lands, this is still a fantastic piece of fixing
Even if you skip your draw step, youll more than make up for it with the number of cards you can put into your hand
abililty requires the player to return two cards to their hand to successfully deploy her, which can be useful at times but is often a significant loss of board control