I'll chime in with a strong second vote for both Civilization and XCOM. Both are turn-based strategy, although not quite the same genre as Warlords. Civ is closest.
I'll be due for the annual XCOM2 ironman campaign some time in Q1 2023. Maybe something silly this time, like Specialists only.
I just noticed that some of the old SSI game library was released on Steam. I found the Dark Sun series, and Stronghold; both favorites of mine as a wee lad. If they release a playable version of Fantasy Empires on modern PC, I'm all over that. DOSBOX doesn't help because the "active" battlefield sequence can't be controlled.
I have no experience with the GOG ecosystem, but I think if it's on their website, it should be playable. Here are the Warlords games:
https://www.gog.com/en/game/warlords_i_ii