This isnt technically infinite right away, since you need to reach eight mana to stop paying two life per flip, but you should be able to do that within a few extra turns
A handful of main entries have had direct sequels, such as Final Fantasy X-2 and Final Fantasy XIII-2
This is because it makes casting it multiple times in a game easier, which is important if your entire deck is built around it
The control-changing effect ends while it is phased out, and it phases in under your control as that opponent's next untap step begins
While my speculations and predictions for their impact on various formats remain optimistic, I believe we havent yet seen the full extent of how many playables Duskmourn will offer
The real judgment here will come when we can experience the final game, with our real money