I think it was a fine card for formats like Standard and Modern, because it didn't absolutely dominate either of those formats
These cards have a 25% chance of being opened in the marketing card slot in Set Boosters, and 12.5% of the time in Play Boosters
God-Eternal Oketra God-Eternal Oketra is a house
Whether its the Archangel Avacyn and Serra Emissary of an Angels deck, a Craterhoof Behemoth in a go-wide deck, or good old Insurrection, game winning spells often cost a lot of mana at least when youre not trying to win with a cheap combo
If you're interested in how these will play in Limited formats, check our Modern Horizons 3 Limited Set Review where we rate all the cards, and our MH3 Sealed Guide if you're specifically interested in Sealed or our MH3 Draft guide for, well, Draft