if you transform Emet-Selch too early, you run the risk of running out of cards in your graveyard before you can defeat your enemies
Personally, I would love to add a Jumbo Cactuar to my own Gishath deck after the Final Fantasy collaboration releases, even if a cactus wouldn't necessarily fit in thematically alongside its dinosaur companions.
In Commander, where players have access to so much fast mana, this is potentially a death sentence
Challenge and leave them just hanging on, or quest, safe in the knowledge theyll probably be back in your hand soon
When Will Shimmering Skies Be Released
It isnt really broken, but it changes up the pace of the game to allow a unique and consistent form of ramp for green