A free 2 mana 2/1 isn't great, fine, but not good in itself
Its going to be great for dealing with threats on the board, as long as they dont have Hexproof
Gavin Verhey (Senior MTG designer, Wizards of the Coast) Brian David-Marshall (Magic: The Gathering Pro Tour Historian) Sheldon Menery (Commander-format creator) Scott Larabee (Commander Rules Committee) Bennie Smith (author of The Complete Commander) Jonathan Suarez (Commander VS crew) Stephen Green (Commander VS crew) Justin Parnell (Commander VS crew) Jeremy Noell (Commander VS crew) That is a stacked Command Zone, people
Its power and toughness are already a great statistic, making it a threat the moment it resolves
When Teferis Protection resolves, you keep everything while the rest of the table deals with the fallout
Make a 3/3, flash back to make a 3/3 - it's simple, it's clean, and now we get to do it again with Viral Spawning