This would probably make the format less fun in general because instead of games being about what decisions you make or how your build your deck, your games against the most popular deck in the format would only be about how good you were at mulliganing into a game-ending, Turn-2 sideboard card
Conflicts in Magic: The Gathering happen all the time and indeed, one of the most basic things to start any custom design off with is to kick off with working out who the five factions are, and then why they hate each other
On the surface, Horsecraft looked like just another Survival of the Fittest/Recurring Nightmare deck, albeit with a few slightly exotic card choices
Not that I can see from scanning thousands of cards Is it possible to damage cards while scanning using the sling box
Zvi Moshowitz wrote a sweet article on Star City Games about combining Kalonian Hydra and Corpsejack Menace for maximum hilarity/GIGANTIC DURDLE BEATDOWNS, and even the creature-hating soul that is mine can admit that there is an appeal in the interactions to be had in that deck