card house mtg Commander Duskmourn of Horror (BR) Endless Punishment — Twenty Sided if House Cartographer is tapped House, 36 cards | Magic:

For just four mana you tutor for two creatures and have a massive swing with your army

There are also special actions called Songs which can be played for free, provided you have a character of the required cost already on board that you can exert to "sing" the song

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

And with this set being about 50% reprints I could probably fill this list with all reprints