While Ravensburger denied these allegations immediately, they have now also released a formal response to the lawsuit, calling it the legal equivalent of alchemy
Atmospheric Greenhouse Atmospheric Greenhouse wants you to cast it once youve already developed a board, and it provides an enters trigger that gives a +1/+1 counter to every creature you control
A card that's restricted in Vintage can only appear once in your deck, including in your sideboard
I especially recommend the cycle of common cards from The Lord of the Rings: Tales of Middle-earth , as they all make for great fixing options in Commander, Pauper, and even more powerful formats like Modern and Legacy on occasion
Much of why it is decent is that it isn't a dead card on turn seven like Ancestral Vision, it is still a land and that makes it low risk to build with at least