Not as clean and sweet as Black Jack Crack(5.10d) or even Queen of Spades (5.12a) but perhaps a good warm up lead or highball V0...
Climb the broken rock to the right of Black Jack Crack past many good holds and a few solid placements to the top of the boulder... The crux is the last move and the mantel so place a good piece and fire it...
Build a belay from gear at the top, then toprope Black Jack Crack cause everyone knows you wouldn't be on this boulder if it weren't for that crack...