I think it was a fine card for formats like Standard and Modern, because it didn't absolutely dominate either of those formats
Even though the manabase looks somewhat sketchy at first glance, the brewer compensates with 4 Chromatic Sphere and 2 Rampant Growth to smooth things out and reduce consistency issues
It's the "mana foil" treatment, previously seen on Etali, Primal Storm at #12
If you get nothing off the triggers, you're probably already in good shape
Generally, youll have inked high-cost cards or ones that dont make sense during the early game
As we said at the time, there was some community support for unbanning it, and we waited until we had a consensus on the card, understanding some of the issues it might cause