If the permanent that returns to the battlefield has any abilities that trigger at the beginning of the end step, those abilities won't trigger that turn
Whether its to pay off a debt or cover unexpected expenses, selling part of your collection can be the right choice
If money is changing hands, that's a whole other kettle of fish
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, or so on
After a few turns, it transforms into Deathbonnet Hulk, a 3/3 creature that continues to grow by exiling creatures from graveyards, whether youre leveraging your own or hating on your opponents graveyard
Sure, phasing your permanents out protects them better than indestructible does, but blanket protection for everything you control for only 2 mana is nearly unrivaled