(And, of course, the sweet spot is when you have very strong tribal rewards and very strong individual creatures!) Sometimes you might have to play a couple creatures that are just below the bar of normal playability, but you certainly don't want to fill your deck up with those

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We won on Turn 4 a bunch of times and tried to win on Turn 3 a few times, although our opponent always managed to have an answer to kill our creature and keep themselves alive
Granted, it's a bit harder to swing a Vehicle deck with Breya, because your decisions are more deliberate if you end up selling your ace Vehicle for a bit of commander damage, you're just asking to lose a carefully stacked advantage
From Duskmourn , I would be interested in trying Overlord of the Hauntwoods