If you’re looking at zodiac-card connections beyond The Devil, there’s a discussion about Virgo’s card associations that might be useful:
It shows how different people connect multiple cards to the same sign.
I actually use the 3 of Pentacles for Capricorn a lot. That “master craftsman working with the team but still the one everyone looks to” vibe. Late-degree Caps especially. Emperor is great for early-degree ones with that fresh cardinal fire.