Casual Focus: The game encourages experimentation with cards and decks without the pressure of rankings or leaderboards
For us, that brings up an interesting question: are good cards in bad sets more valuable than good cards in good sets
With fetch lands, you can pay 1 more life to fetch two lands instead of one
There is a distinct difference between hitting only creatures over all nonland permanents, but this will still keep you safe in most circumstances
While there are a handful of exceptions, for the most part, a rare effect without flashback (or being on a split card) is a rare effect with flashback (or on a split card), an uncommon effect is still uncommon, and so forth
Lightning Bolts, Blasphemous Acts and combat damage from this are all doubled