Uncanny X-Men Annual #17 (1992)

Fine+ Comic is NOT bagged

Script Scott Lobdell 
Pencils Jason Pearson 
Inks Mark Farmer 

X-Cutioner begins his quest of killing evil mutants by destroying Tower and moving on to Mastermind, but the X-Men intervene. Mastermind, on his death bed, projects Jean, Bobby, and Bishop into a world where many of their dreams are reality.