With the large increase in price for Commander Masters , it would have been nice if they were more aggressive with the reprints in there, for both the mana base and other cards
In other words, Achilles will come down for its reduced cost often, provide a decent threat, and buff your entire board as long as he remains on the battlefield
To ensure you get those counters, look for folks like Renata, Called to the Hunt, Grumgully, the Generous, and Master Biomancer
Card draw is one of the key foundations on which a successful deck is built, so whatever MTG commander you pick, it's going to need a healthy serving of MTG card draw cards to succeed
One or more of these on the field followed up by a wheel effect can put 20 damage on the board spread between your opponents