There have been regular three mana green enchantments, which enable lands to produce two of any mana and give you another benefit
(2/4/2023) Phasing out doesn't cause permanents to leave or re-enter the battlefield, so no "leaves the battlefield" or "enters the battlefield" abilities will trigger
And as a neat bonus, there's an exclusive Magic: The Gathering card available for anyone who opts for a physical box over a digital copy
Now lets get to Collector Boosters, which has some attractive guarantees and one wild-as-hell slot, which is what Wizards seems to have settled on for these boosters
It just makes a lot more sense to curve out with Blazing Bomb, Sahagin, The Emperor, Ultros and Shantotto, THEN start chaining together copies of Retrieve the Esper, rather than trying to play noncreature spells the whole game