Emerald Chromicon is great for keeping your pieces in play instead of languishing in your discard pile, but Baymax's Healthcare Chip is the Item you want to find first and foremost, as it gives you a cosnsitent way to heal large amounts of damage
Still, it's an upgrade to the archetype and another step towards making it viable
The main downside of Wall of Roots and indeed any other wall is that they don't help out much or at all with your typical Overrun win conditions
If that sounds like fun, well, have at it
Farewell #31 Magic Final Fantasy Art Series Keep track of your collection value over time
Lastly, while it won't keep this thing on the battlefield for long, when a salty opponent does remove it they'll lose five life for their effort