Even if you arent copying spells to take full advantage of the Magecraft triggers, Archmage Emeritus will rip through your deck at an absurd rate
Its hard to know where to land on it because variations on this have seen differing amounts of play in previous formats
If you want a strategy where your creatures support each other and scale together, Agrus is the ideal general
Le Conte elaborates on this recurring concept: "The idea of humanity building a Dyson sphere comes with the scary thought that humanity will require so much energy that we would need to harvest power from the Sun
Though having your opponents creatures to swing out with is good, just having it locked down under your control can also be a big win.
So, if I block your Grizzly Bears with my Cinderbones, your bears defeat my skeleton (assuming I dont regenerate it) but not without a lasting -1/-1 counter, bringing them down to measly a 1/1