Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature of their choice
Otherwise you might end up being the fool who buys a random reprint for 400$ thinking they got a killer deal on the first print of an old classic
Several cards are released in limited quantities or only for promotional events
One of the best decks in Modern, if not the best deck choice, is Jund Midrange, a Black/Red/Green deck that also features Fulminator Mage (#9), as well as the aforementioned Tarmogoyf
It's a monster for The Gitrog Monster in particular, though other decks such as Slogurk, the Overslime and Lord Windgrace can take advantage of Glacial Chasm
As long as this card remains on the field, all of your opponents characters will have -1,000 power, making your opponent have to commit a bit more DON