Strong card flow, no one cares about life loss in Commander, and you can add loyalty counters to your other 'walkers without pulling planeswalkers and then you can add in +1/+1 counters to your stuff and counters onto Helix Pinnacle to win and then poison on foes and then also -1/-1 on their stuff
If you're worried about Boros struggling to draw cards, fret not: cards like Losheel, Clockwork Scholar and Tocasia's Welcome draw cards on both our turns and opponents, and then we've got mass draw heavy hitters like Neyali, Suns' Vanguard and Commander Liara Portyr to really pop off
I Gain control of up to one target artifact for as long as you control this Saga
Each one has a strong questing value that forces opponents to challenge or risk falling behind, and then once challenged and/or banished, their effects activate drawing you cards, forcing opponents to discard or return a character to their hand, and more
It doesnt do much in EDH, however