There are 4 uncommon scene cards that can be found in these slots (3.6%)
Now you do need to have a location in your hand for his effect to do anything, but with some smart mulliganing and/or a good amount of draw, that should be consistently achievable on curve
Scute Swarm You want to constantly have creatures hitting the battlefield, and Scute Swarm is one of the best ways to achieve this
Of course, much like a few of the error types above, " Alpha corners" technically could have been shaved down by unscrupulous actors, and may not be true factory errors
Definitely some gems around in this set, and some cards that really needed a reprint, although it remains to be seen as to whether it justifies being the most expensive set ever
Ben has his list set up to play a longer, more interactive game at the expense of explosiveness, and he makes his mulligan and gameplay choices based on this philosophy as well