Look for any creases, scratches, or faded colors
It allows you to prevent combat damage from one other creature, and if you were the player that creature attacked, you can draw cards based on half the damage it would have dealt
Not seen since, outside of scattered printings in Commander products, all five are now back, and Modern legal for the first time ever
Creature decks know that they must be prepared to beat board sweepers after sideboarding, so they adjust their game plans
For one red mana, it gave a creature +2/+0 and trample, meaning it could run right over most blockers
I believe that WotC's current financial results strongly suggest that the overall answer is No. Yet I also believe that we cant think about Magic as a single game (as it was 30 years ago): modern MTG is more like a collection of different games that happen to share game pieces, and some of those games are more welcoming to new pieces than others