The master sets are from the Skyridge, Aquapolis, Expedition, Legendary Collection and EX Ruby and Sapphire expansions
It's not even a mistranslation, the Japanese is roughly the same, too
While it might not seem significant in the long run, forcing your opponent to wait a turn to cast their spells gives you an extra turn or two to set up the board
There isn't a ton to say here - this card speaks for itself and I think newer players will be delighted to learn this exists
Played in formats like Modern, Vintage, and Commander, the planeswalker has a textured foil version worth over $100
A unique commander like Syr Gwyn, Hero of Ashvale that blends equipment and go-wide strategies can also benefit from both the recursion and the life gain on this card