Were going to suggest some swaps based on the main commander staying in charge, Kotis, Sibsig Champion, since he synergizes a bit better with what is already in the deck
I also like to keep things as inexpensive as possible, and definitely skew to the more casual side of game play
Morlun, Devourer of Spiders + Cat-Gator Morlun, Devourer of Spiders and Cat-Gator are strangely similar, especially in the way I use them as top-end finishers
And honestly, any more casual decks playing black as well
This isnt an easy fix like the examples above, but its still very possible to tech against
The more creatures that are in your army, the bigger Crusader of Odric can be