pokemon trading card game black and white boundaries crossed & White: card theme decks offered in 8 Boundaries Crossed Card List -

Defile Defile is a fantastic mono-black removal card

So, youre developing a massive blocker, gaining cards in your hand, and going for two heavy attacks to keep aggroing the opposing player, while making sure your Leaders draw effect remains active

Its effects make it particularly good for modified and enchantment decks, but you can run a different archetype and still use Roaring Earth

Three mana to bring a single tapped basic into play isnt a great deal, but the fact that Earthbender Ascension also makes you a 2/2 via Earthbending more than makes up for that

Enhanced Surveillance hearkens back to my favorite Fluxx card, X = X + 1 (aka Inflation, if you own a newer copy of Fluxx)

Make sure to pack plenty of cards like Teferi's Protection to protect your board