If you manage to sacrifice your lands for profit, like by using Zuran Orb, and then cast Balance, its going to be a huge blowout
Understanding when to attack and when to defend is often enough to win consistently, even against more complicated decks
When you do, shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library, where X is the number of creatures tapped this way
This could take several turns, depending on how good your hand was at the start of the match, where your cards lie in the deck, and how many cards you can use to eventually play one with Vigilance
Combining this with artifact removal like Naturalize ensures that artifact-based strategies can barely function
Mardu Energy excels at flipping Sephiroth in mildly impressive boards, turning into an easy win condition that can double as card generation