@JimhawkI was just wondering why you only put one Cavern of Souls in the deck?Wouldn't 2 or 3 help more against counter?

Part of it is card availability, but honestly, at 22 lands, having only 3 colorless sources over 4 or 5 is really helpful to the manabase to support the high-saturation noncreature spells like Ajani, Caller of the Pride and Boros Charm . I had two in for a while and it worked, but I also had a higher creature count at the time.

I think two would be ideal and perhaps boarding in a third would be an good plan as well depending on the meta. It's not entirely necessary, though, as counterspells are not running rampant in the format at the moment.

If card availability wasn't an issue, what would you bring to the deck?

One or both of either a second Cavern of Souls or a fourth Boros Reckoner .