Your search for "Silverwing Squadron 207" revealed the following:
Silverwing Squadron (MOC) from March of the Machine Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Johannes Voss Card Text:Flying, vigilanceSilverwing Squadron's power and toughness are each equal to the number of creatures you control.Whenever Silverwing Squadron...
Silverwing Squadron (ONC) from Phyrexia: All Will Be One Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Johannes Voss Card Text:Flying, vigilanceSilverwing Squadron's power and toughness are each equal to the number of creatures you control.Whenever Silverwing...