8: Mental Misstep Free counters are just an entirely different class than counterspells that cost mana
If it is an aura deck specifically (and the target creature does not have summoning sickness), you immediately get a 4-in-1 or 5-in-1 as early as turn two or turn three
Adding the pieces for an infinite combo wouldnt be a bad thing, but there are plenty of other powerful spells that work just as well with the commanders, like Aetherflux Reservoir or Sentinel Tower
Being able to draw extra cards is always a huge benefit in Magic, and being able to spread out your damage allows you to target whichever opponent is least able to block you
To those in need of even more protection, Falco has trained his Brokers in shielding magics, offering them as personal bodyguards and protectors to anyone in New Capenna who can afford it
I've been tempted to build a Kilo Voltron deck that takes advantage of the proliferation