Commander Velomachus Lorehold Flying, vigilance, haste Whenever Velomachus Lorehold attacks, look at the top seven cards of your library
You just need to include them
Calgar's Magic iteration, while a bit uninspired, is very powerful
All you need is a way to buff him up and land a hit, and you're off to the races with an instant army that replenishes itself with each attack, or even grows exponentially True, Shroofus will mostly see play in the 99 of other, multicolored decks, but he can make for a powerful commander all by himself
She has a 3/3 body and has dethrone to grow her with +1/+1 counters over time
Now I have to think about what the right mix of these three cards is, and how to fill that mana curve correctly