Playbooks

The Trio set in the Hail Mary formation is a situational 11 personnel package (1 RB, 1 TE, 3 WR) built almost entirely for end of half and end of game scenarios. Unlike the more common Hail Mary looks that load four or five receivers into a single flood, Trio groups three receivers together as a clustered trio. That clustering puts three vertical threats in one landing zone while keeping the tight end and a 3DRB (third down back) in the formation. You get extra protection and a checkdown outlet that pure five wide Hail Mary sets cannot offer.
The 3DRB tag matters here. Your back is aligned to pick up interior pressure and chip edge rushers, buying the extra half second your quarterback needs to reach full dropback depth and launch a deep ball. The tight end can stay in to block, leak out as a seam threat, or serve as a jump ball body in the end zone. Because the three receivers release from a tight alignment, defenders cannot easily press all of them. Your fastest wideout can get a clean release off the line, while your tallest, highest Spectacular Catch receiver attacks the ball at its highest point.
The playbook is thin by design: Shot Save Clock and Hail Mary. Shot Save Clock gives you intermediate to deep sideline options that let receivers catch and get out of bounds, so you can steal 15 to 25 yards without burning a timeout. Hail Mary sends the trio to a common deep spot for tipped ball and jump ball chances. Together these two plays cover every late clock need: a sideline shot to move into range, then a true heave when time expires.
Use Shot Save Clock with 20 to 40 seconds left and no timeouts, targeting the outside receiver on sideline routes and throwing a lob or bullet away from the flat defender so the catch ends out of bounds
Save the Hail Mary call for the final snap inside roughly 60 yards, and switch to your best jump ball receiver before the catch, holding aggressive catch to maximize contested catch animations
Read the safety depth pre snap: if you see two high deep safeties bailing early, take the Shot Save Clock sideline option instead of forcing a Hail Mary into bracketed coverage
If the defense shows a zero blitz or crowds the line, hot route the tight end to a streak and throw it quickly before pressure arrives, since your trio will be running against single coverage with no safety help
Slide protection toward the side with extra rushers and keep the 3DRB in to block on the Hail Mary, then roll out to extend the play and give receivers time to reach the landing zone