Your search for "thunderhead squadron 81" revealed the following:
Thunderhead Squadron (Foil) (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: PINDURSKI Card Text:Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1...
Thunderhead Squadron (MOM) from March of the Machine, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: PINDURSKI Card Text:Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or...