mtg cards like burgeoning Blighted | March of the Machine you may put a land card from your hand onto the battlefield. March of Burgeoning Life |

If you do, target opponent loses 2 life unless that player sacrifices a permanent or discards a card

Whenever equipped creature deals combat damage to a player, draw a card, then you may cast a spell from your hand with mana value less than or equal to that damage without paying its mana cost

Creature - Demon Berserker Demonlord Belzenlok Flying, trample When Demonlord Belzenlok enters, exile cards from the top of your library until you exile a nonland card, then put that card into your hand

It's probably a bunch of RTR bulk and the seller is trying to "get their money back." (there seems to be a common misconception among people selling their cards on Craigslist that their cards should be worth at least as much as the boosters they opened to get the cards)

Granted, Price of Knowledge does cost seven mana, which prevents it from coming online as early as other options

The player with the highest number loses half their life rounded up, while the player with the lowest number discards that many cards