There are several hidden mechanics never explained in the game which is only found explained in patch notes from the developers, which is why we are taking a deep dive into this today and are trying to gather all the information in one place
There are currently no plans to reprint these cards as a Universes Within variant, so the only way to get them are from the preconstructed decks or from the secondary market
We have a lot of this coming in, and Im still not confident we can get enough of what might be the best designed Magic product in a decade
Really good for those decks wishing to have control over what they don't draw and what is on the top of their library but still plenty good enough to be played as card quality and occasional draw in decks without those needs
But I think it's too late in the game now for newcomers to try jumping on board in this generation, as after eight attempts at catching an audience on this portable it's got to be time to move on to the next and some new problems are starting to appear
You can activate the ability Lunarch Mantle grants to your enchanted creature by sacrificing any permanent, including Lunarch Mantle or the enchanted creature itself