It started as an experiment, but Sephiroth is now becoming a core part of the deck
This can provide a lot of gas for effects that freely flip creatures up, like Hauntwoods Shrieker
Of course, ensure you're only activating this when you have a solitary card left in your hand, so you will always name the correct card
In play it enters as a 3/4 with Flash and Flying, a -1/-1 counter in tow, and you can spend one blue mana and remove that counter to counter any noncreature spell while the opponent draws a card
For some players, it was too much, and that's something we have to be careful with
Once it does this job, however, you can have a lot of fun with it into a board full of breakable, smashable treats