Your search for "Wind-Kin Raiders 50" revealed the following:
Wind-Kin Raiders - AER Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Shreya Shetty Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities...
Wind-Kin Raiders (Foil) (AER) from Aether Revolt, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Shreya Shetty Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for...
Wind-Kin Raiders (AER) from Aether Revolt, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Shreya Shetty Card Text:Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.)Flying...