The Sidar Jabari of Zhalfir display commander is printed with the foil-etched treatment on a thicker cardstockgreat for showing off your commander but not legal in sanctioned Commander play
Yeah, its also just a really powerful effect for equipment decks
Rares are incredibly popular. While MTGs holy grail card, the Black Lotus, has continued to lead the way in terms of value with multiple record-breaking sales for hundreds of thousands of dollars - some within mere days of each other - the other cards in its Power Nine, a series of nine powerful banned cards from the TCGs very first sets, have also appeared more frequently at auction, raising more money than ever
Cards signed by somebody other than the designer or artist are also considered damaged while they wont be if that signature was from one of those two people
Chulane Shrieking Drake, Lotus Cobra, and Simic Growth Chamber combo off for infinite card draw so you can take victory with the alternate win-condition that draws your entire deck
It begs the question - what is the point of reprints if they barely make a dent in the price of the cards