C+ Deaths Approach This is an exceedingly efficient removal spell, but requires the rest of the Dimir package to provide the fuel
Its probably about to really pop and if a win condition like this makes Apostle (because you tutor for demons) more attractive than Rat Colony, people could build both decks (probably not) or build the older Shadowborn Apostle build which has upside if there are older cards in it
The short version of it is that there is a balance between how much time (read: mana, turns) one can spend accruing cards while contributing to the battlefield
Even partners with inherent synergies or partners that are dependent on each other contribute to this problem
Milling someone for 10 cards almost always seems to help them out because almost every single Commander deck has ways to abuse the graveyard nowadays
Additionally, include utility artifacts like Obelisk of the Urd to boost the power of your Cat tokens, allowing them to stay on the battlefield after Brimaz attacks or blocks
