Like Flynn Rider, Charming Rogue above, Cheshire Cat, Not All There is an excellent emerald card to get out early in the game to disrupt your opponents, forcing them into dilemmas that slow them down and ruin their plans
In time, either deck may prove to be great for competitive play, but right now, I'm not convinced either are as competitively viable as Rise of the Floodborn 's Amethyst/Steel deck , which is arguably still the most powerful Starter Deck to date
Tap Diamond Valley and sacrifice Child of Alara to gain 6 life before all other nonland permanents get destroyed from Child of Alaras death trigger
She even has a bit of a built in defence mechanism
This starts to add up quickly once the rest of the deck kicks in
Something like Sensei's Divining Top can make sure you draw instants and sorceries for your turn plus some kind of sacrifice outlet to use the demon each turn, and make room for a new one would go a long way too