Arabian Nights, as an even earlier expansion, and one that Garfield designed more-or-less by himself (with contributions from the games other Alpha designers) in a very short period of time - has no unifying design theme
You definitely need to add Drowner of Secrets, unless you have a bias against infinite combo
Yoshimaru, Ever Faithful + Reyhan, Last of the Abzan Yoshimaru, Ever Faithful and Reyhan, Last of the Abzan takes a more traditional stance on counters decks than Reyhans previous pairing
You'll get better information and fewer false positives
From the Rise of the Floodborn expansion, this version of the card evokes the classic Disney animation feel with the bright gold and silver artwork
LychguardLychguard returns all legendary creatures from your graveyard to your hand, which I'd like more if the deck had more than five of them