The real selling point is getting your card back when the enchanted creature dies, giving this an incredibly low opportunity cost to play
High Tide needs to be built around a little bit, but its an obscenely powerful card
The field developed for Lorwyn Eclipsed has a unique feature in which the symbolic threshold between Lorwyn and Shadowmoor moves depending on the difference between the player's and opponent's life total: if the life total difference is tilted to the player, the Lorwyn side is dominant, and if the difference is tilted to the opponent the Shadowmoor side is dominant
The beauty of Valley is born from the differences between animalfolk, not despite them
Among the solutions, formatting the memory card is one of the available options to resolve this error
They aren't "competitive" in the sense that you'd never use these decks in standard, but that's the beauty of theme mode: you'll only be competing against other, equally powerful theme decks