When creatures deal damage based on toughness, suddenly Giant Ox becomes the most efficient titan as a 2-mana 6/6
The beauty of the TCGO is that it caters to all experience levels every step of the way, so even if you skip the tutorials, the single player has a help system that reminds you of your current play options and suggests optimal moves (of course, you can also turn all of help functions off if you don't need them)
In terms of population and publishers, Asia Pacific has the largest regional TCG marketplace
Finally, the deck features powerful removal and burn spells in Tail Swipe and Lightning Strike, as well as Colossal Growth to pump your creatures and deal tons of damage
Another category that benefits from the arrival of Battles are those that allow Bounce or Blink of permanents in play, such as Kor Skyfisher in Pauper and Flickerwisp in Modern and Legacy