Your search for "Sandwurm Convergence 911" revealed the following:
Sandwurm Convergence (CMM) from Commander Masters, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Slawomir Maniak Card Text:Creatures with flying can't attack you or planeswalkers you control.At the beginning of your end step, create a 5/5 green Wurm...