With plenty of red and black cards that create rat tokens, there are numerous options to build around Moonshaker Cavalry
And of course, this new type of double-faced card might appear in future sets with nonland card types on the back
More importantly, the best mutate creatures are in Sultai
Aid from the Cowl also discourages us from using planeswalkers as our finishers
Killing an opponent's Seer allows you to draw a card, sure, but by then your opponent has already taken the best card out of your hand, so youll have to evoke that Thoughtseize bug to draw something good enough to replace it
Its a second-rate aggro deck, as it has generally lower creature quality than white decks, and struggles to leverage suspect against whites wide boards