Foggy Swamp Spirit Keeper Blue-black occasionally dabbles in the draw-2 space, as it did in Avatar: The Last Airbender
Both of them do a good job of showing up the expansions new mechanics and key features, and after playing them I dont think a third one would have been necessary, especially because it would have just been another Ruby/Emerald like last time
This deck is a banger out of the box, but like any precon, it could do with a little polishing through upgrades
When it comes to the creatures, the obvious first choice is Goblin Chainwhirler
This is an easy way to stop yourself just jamming with every best-in-slot card, and as long as you still have access to card draw, removal and such, your deck can still function just fine including setting up for a win
Theyre only legal in certain formats after all