In the last few days, this has been confirmed, with the official data putting it at 42.3% of the metagame for this weekend
That permanent will have the alternative characteristics, though, and some other effect could cause it to become prepared later
This works best for decks going tall so cards like Ghalta, Primal Hunger and Apex Devastator swing as soon as they hit the board
Predictably, all this Mercenary fetching means there won't be much in the way of Bloodbond March at this level
And in a deck that can produce absurd amounts of Green mana, all while being super resilient to board wipes, Ezuri is truly the Elf payoff Commander of choice in my book
The Masters sets had the reprint characteristic in common, since all the cards were already released and legal in their given formats