Versatility, from being "Adaptable", can improve efficiency and survivability
You can also try to experiment with other cards as well because I think this set has some potential to change how the format goes
For three Energy Waterfall does 70 damage, while Draconic Disaster costs five, but can deal up to 200 damage in one hit if there is a Stadium card in play
I opted to play Walls in the sideboard because I wanted to be able to FTK (also I expected Warrior teching Cliff the Trap Remover)
Creature - Human Artificer Drain (CTRL to add secondary) Draw Black Market Connections At the beginning of your first main phase, choose one or more Sell Contraband Create a Treasure token
Surround it with a bunch of small creatures, attack, and watch life totals plummet