Some good local spots:
Prague 1 - Restaurace U Vejvodů (touristic but cheapest and best beer in the centre)
Prague 2 - Beer Garden Riegrovy Sady
Prague 3 - Planeta Zizkov
Prague 4 - Bašta neighborhood brewery
Prague 5 - BEERTIME.pub or Manifesto Andel
don't know about Prague but here in Belgium there is plenty of trappist beers I m sure you would love!!
Pilsner Urquell is the most famous Czech beer. But I would try some specials.
This place is pretty good ser
pilsnerka.pilsner-urquell.cz/en/narodni#
Glad that you also like beer 🙂