There are loads of other good lands this card could be used against, from the Channel lands like Otawara, Soaring City to the premier land removal card Wasteland
"Announcing Cowboy Bebop Promo Cards"
Other than that, it was more or less the same dominance as in Standard: Boros energy and its three color variants immediately shot to the top rank for both usage and winrate, the various build-around energy cards all proved to be at least viable, and even control decks adopted the new energy-based interaction
The instant costs four, you exile a targeted nontoken you control, the top two cards, and then cloak them as 2/2 face down dorks with ward
You can also use cards like Ram Through to push Omanths damage through or equipment like Forebears Blade to give it trample Purphoros, God of the Forge & Arasta of the Endless Web There are plenty of wild things you can do with Purphoros, God of the Forge which can help whittle your opponents life totals away