Rilgi is also topic-prominent, so the effective word order is actually Topic-Object-Subject-Verb. Like many topic-prominent languages you can drop the subject if it's the same as the topic, so we get Topic-Object-Verb order a lot of the time

Rilgi is much earlier in development but is generally a little more out there with things like ergative-absolutive alignment in independent clauses but nominative-accusative alignment in subordinate clauses, Object-Subject-Verb word order, and the inchoative verb aspect

It does feature zero copula in simple statements. The nominal predicate can only be used in statements BY the speaker ABOUT the speaker

There's also the existential copula, which is just the locative case ending.

Fothirar has features like SOV word order, nominative-accusative alignment, nominative accusative genitive dative locative cases, indicative subjunctive desiderative imperative optative moods, perfective imperfective progressive aspects

It's all fairly standard as far as conlangs go