Upgrading the Deck Ive intentionally avoided more expensive cards for this build, but if you have them, I especially recommend adding Azusa, Lost but Seeking (Joyce!) and other landfall staples, like Exploration, Burgeoning, and so on, as well as cards like Demonic Tutor (Henry Creel?), which can help us find specific cards, like Mazes End, which are vital to our success
Key Cards Teval, The Balanced Scale What the whole deck is built around, Teval, the Balanced Scale does everything you want the deck to be doing
That said, its not all sunshine and rainbows over on Tarkir
Sealed Deck is one form of Limited Magic that is, a way to play the game where you open packs and build decks right there in one sitting
Add in the ability to keep your best creature and the flexibility to serve as a protective spell and you have a winner