This is an outlier, but one worth looking at because it shows the overall trend
Standard 2022, if youre not familiar, is a MTG Arena best of one format that only allows the use of cards from the sets Zendikar Rising, Kaldheim, Strixhaven, and D&D Adventures in the Forgotten Realms
Mirabel finds a prophecy that shows Bruno becoming Ursula's slave, and then she asks her sister Luisa to help prevent the prophecy from coming true, but they fail
That said, all of the tribes are integral to the gameplay of Rivals of Ixalan and have synergy and interplay with each other, and with the new mechanic Ascend, in a variety of ways. Tribes are more important in Rivals compared to previous Ixalan releases because its the end of the block
Otherwise, the alternatives are stronger
Even alone, Gornog can permanently disable an opposing blocker and get in for three damage unblocked the turn he comes down