We almost never want to play it on Turn 1 since it forces us to bounce another creature back to our hand on our upkeep, which can sort of lock us out of the game (or at least from keeping other creatures on the battlefield)
Vivien, Monsters' Advocate makes great tokens that can adapt to offense or defense, and you can have some degenerate turns if it lives long enough to -2
Its a bit of a cliche, but some will live and some will die, and even among the former, no ones ever going to be the same
How to Build Around These (Quick Shells) Direct answer : Start with Max Goof - Chart Topper, then load up 3-4 cheap songs (Stand Out, Mother Knows Best) and low-curve fliers (Pegasus)
For the third ability, who owns the cards after they've been exchanged
This ready-to-play, 100-card green-white-blue Doctor Who Commander deck features fan favorite Fourth Doctor (Tom Baker) as well as his companion Sarah Jane Smith, who I imagine will have questions about Phyrexians should they ever come across one