All of the Pilot creatures in Kaladesh seem to be quite strong
Nesting Grounds being bumped down from rare to uncommon in Modern Horizons 3 is a clear sign of experimentation on WotCs behalf
The basic gist of the deck is you use your twelve enablers (Otherworldly Gaze, Cathartic Reunion and Thrilling Discovery) to get as many of your twelve dredge cards into the graveyard (Darkblast, Golgari Thug and Stinkweed Imp)
If you are going to get this type of box anyway, you might as well grab one that features the game
Even more unusual, its completely grassroots, having been both created and popularized by fans back in the 90s
Belakor, the Dark Master Be'lakor, the Dark Master draws unseemly sums of cards with its enters ability, which can be further exploited via cards like Displacer Kitten and Thassa, Deep-Dwelling retriggering it