If it becomes a creature (most likely through its crew ability, though this set includes other effects that could allow it to become a creature), it will have that power and toughness
The price has dropped significantly since its initial release, and despite the damage done with the banning of Jeweled Lotus (you know, the card used on the art of the Collector boxes?), there are tons of awesome cards with various Booster Fun treatments and foiling processes
Prevents shifting, dust, fingerprints and edge wear
Boromir, Warden of the Tower can be sacrificed to make all your other creatures indestructible for the turn, while also activating the rings temptation
On eBay, the Gold Lugia VSTAR sold for a staggering $150 in October
Being a Judge promo means it was only distributed to any official judges at supported MTG tournaments in 1993