Playbooks

Box Y Off is Shotgun's condensed 11 personnel look that stacks two receivers tight to one side in a box alignment while detaching the tight end off the line on the opposite hash. The box side creates natural rub and pick action without needing a single hot route, and the detached Y gives you a clean release against press and a free runner on option routes. Compared to spread sets in Shotgun that widen everything to the numbers, Box Y Off compresses the field horizontally, which forces defenses to either travel their coverage inside (opening the boundary) or play off and concede the quick game.
The personnel package matters here because you are running 11 with a back who can actually work in space. The 3DRB and Power HB tags mean the same alignment supports HB Slip Screen and Counter Y out of the identical look, so your run and screen game share a shell with Drive, Flood, and Y Trail. Defenses that sub in nickel to match 11 personnel are now defending Mid Zone and Inside Zone with a light box, and defenses that stay base are chasing the box receivers with linebackers on Quick Unders and Shock H Option.
The isolation element is the real weapon. With two receivers boxed to one side, the backside X (your SLWR tag target) is frequently left on an island with no help over the top if the defense rotates strength to the condensed side. Quick Short Post and PA WR In both attack that single high window, while the Gadget tag opens up motion trickery from the box to steal leverage before the snap.
Read the leverage of the defender over the boxed receivers pre-snap: inside leverage means run Flood or Y Trail to the boundary, outside leverage means hit Quick Fork Zig into the vacated inside window.
Motion the inside box receiver across the formation to diagnose man versus zone, then check to HB Slip Screen if a defender travels and the edge is crashing.
On third and medium, Shock H Option plus a hot routed drag from the boxed slot gives you a high low on the hook defender that beats both Cover 2 and Cover 1.
Use Mid Zone and Counter Y on early downs against nickel to force a personnel change, then go right back to the same look with Quick Short Post against the heavier box.
Block the back in max protect when you see a blitz shell, then let PA WR In or Quick Short Post attack the single high safety with your SLWR isolated backside.