UNCANNY X-MEN (1963) #103

Following his defeat at the hands of Black Tom and the Juggernaut, Nightcrawler’s unconscious body is pulled through the secret passageways of Cassidy Keep by a group of Leprechauns. When Nightcrawler awakens, he is finds himself surrounded by creatures that he thought were creatures of myth… It is up to Nightcrawler to rescue the captured X-Men from the clutches of the Juggernaut and Black Tom Cassidy. He is not alone, however, for he has the help of some very unusual allies… Leprechauns from Cassidy Deep. He discovers Eric the Red is behind this battle.…