You need to use a holy image (begin to see the Adventuring equipment segment) for a spellcasting focus for the cleric spells.
Minotaur: Clerics aren’t a bad choice for minotaurs since the stat bonuses do line up. https://crithitceramics.com/mastering-the-divine-a-beginners-guide-to-playing-a-female-aasimar-cleric-in-dd/