First-edition copies trade in a wide range, giving this card appeal at almost any price range, with MP and LP copies going for $20 to $30, while you'll pay somewhere in the region of $40 to $75 for NM copies, though the exact price will depend entirely on the specific card and if it looks like it might receive a perfect grade.
There's a running gag of Chickens as a race being featured in Unglued , which is frankly kind of tame, and sometimes an Unglued card is just a funny chicken creature (the set's symbol is a cracked egg, hence the chicken thing)
This is not even counting all the special illustrations that you might be lucky enough to find in a pack
Viable as a commander, companion, or just in the deck
Normally I would say something like when you want to steel a guy you should go for the cheapest and most reliable option in Control Magic and not risk having it undone with something as simple as a Firebolt just for the sake of a 2/2 flier
Random surprises will happen, well, randomly. Without further ado, Wizards of the Coast revealed these cards in an official capacity (among a few others that had previously been leaked): Modern Horizons 3 is truly shaping up to be an interesting set with more-than-interesting implications for the various metagames that make Magic: The Gathering what it is