Development realized that both of these situations were problems, which was easily solved by moving the trigger from the end of the controller's turn to the start of the next turn
Thats due to both the cards use as a Commander and its rarity, especially in that classic late 90s FF7 art style
While it is true that a few of these cards have now been Masterpieces twice (Mana Vault, Ancient Tomb, Through the Breach), we need only look as far as Mana Crypt and Sol Ring for examples of cards that have had multiple rare and shiny versions that have tended to trend upward together once the Masterpiece started to rise
Archelos, Lagoon Mystic Archelos, Lagoon Mystic is an interesting Sultai creature if you want to get rid of the enters tapped downside on other cards, like tapped lands or ramp spells that put the land onto the battlefield tapped
The sideboard juke is gravy