It also helps that Lurrus of the Dream-Den can cast Engineered Explosives from the graveyard every turn to really shut down some decks
Well, turns out she did it as favor to her nephew, Richard Garfield
A handful of decks have been playable in Explorer as full replicas of their Pioneer counterparts, but other decks are missing role players or even archetype staples to be functional
Compare that to Base Set, where the most powerful attackers werent ever 1HKO-ing each other, and many struggled to even 2HKO, which made games significantly slower to the point where deck-out was a common win-condition
Splinter Twin was a consistently good deck that was regularly near the top of the Modern meta, but it was never a problematic deck if you dig into things like metagame percentage, and it wasn't even the top deck in the meta at many points during its lifespan in Modern