The reason why is because of its effect to make the monster with the highest ATK on the field unaffected by spell effects and its interactions with spell cards that grant ATK
for example, Nissa, Who Shakes the World and Kamahl, Heart of Krosa
And the Hades design is so nice its close second to being my favorite, just behind Tigger in the Crows Nest
I realize I have a lot of mono-green in this article but thats because green is very good at having stuff to untap with Paradox Engine
Artist:Uta This Pokmon can be spotted in wall paintings from as far back as 10,000 years ago
Unfortunately, the 3-star immersive cards are the rarest pull outside the Crown Rare cards, so this may take some time to complete, but given how many packs it may take to meet Mew's requirements, odds are you may have the others by the time you unlock that one