Not only is Boseiju, Who Endures uncounterable by conventional Counterspells, but the main reason this is so good is that its just a land with almost no downsides, making it an enchantment killer and one of the best artifact removal effects in green
If Grimgrin's last ability resolves, but the targeted creature isn't destroyed (perhaps because it regenerated or has indestructible), you'll still put a +1/+1 on Grimgrin
There are also a handful of cards that care about differently named lands, giving your deck a powerful top-end in the form of Become the Star of Edge of Eternities Prepare for liftoff: Edge of Eternities Prerelease events run from July 2531
It also has a much more affordable mana cost and the morph helps with tricking opponents into killing something else first
This means that hate drafting (taking cards that others in your pod will want) is even less recommended than usual, as youre unlikely to affect your opponents decks, and they'll go against different opponents