By the end of a turn, monsters like Baronne de Fleur, Chaos Angel and Bystial Dis Pater will provide the negation powers essential for any Master Duel meta deck
In fact, when paired with Animation Module, Crime Novelist can generate infinite +1/+1 counters
The difference is simply that Brimaz is better defensively in all ways and costs less for a comparable threat
Sunfall is rotating, so white might as well keep a 5-mana wrath that exiles everybody
I would also say take a second look at Baeloth since forcing your opponents to swing at each other can still activate your commander's abilities I think it makes an interesting fit for the deck
The Pyramid was co-opted by the sorcerer, Anubis, who was then defeated in battle by the Pharaoh