Cards that force players to have enough basic lands to make do in an emergency such as Blood Moon are one thing, but cards that will outright kill you are another
Civil Unrest is the best single youll find in this deck, going for about $10
One of his main themes is in drawing cards, whether it be a straight and wholesome draw like in Unraveler of Secrets, Memory Adept Arcane Strategist, or the original Jace Beleren, or in more destructive 'wheel' effects like those found on Jace, the Living Guildpact
That said, game play demand often beats edition in the long run
In addition, there isnt a clear shell of support for the card right now and thats why I have it all the way down at sixth right now, but the card is still good enough to create archetypes and slide into various midrange decks
So go to eBay or TCGplayer, see what the lowest prices are on the cards you want to sell, then subtract 10 to 15 percent plus the cost of shipping