Unfortunately, utility is what makes creatures good in budget decks, not aggressivenessthats how guys like Mogg Fanatic and Llanowar Elves beat him out on the list
As was mentioned, Ash Barrens is not a bad land card, but if you intend to speed up the rhythm of the Limit Break deck, youll need lands that effectively drop in and provide colored mana or have special effects that synergize with the rest of the cards
Sometimes, trample is all a massive creature like Impervious Greatwurm is missing to make it a serious threat
When The Balrog of Moria dies, you may exile it
You can repeat this cycle as long as you have enough mana, and it also works well with mana dorks like Bloom Tender that can generate a lot of mana in a single activation
Wilds of Eldraine is set to release in September, and its bringing a lot of cool cards and designs along with it