(Spawn rate, amount of money they spend, exact change payments, walk speed, etc.) FunkBeGone Lets you reduce the amount of smelly customers or remove them completely
The one thing I'll say comes down to a similar issue with Elven Empire and Necron Dynasties : mark-ups stink
Karn being a four-mana planeswalker that can draw you cards, protect itself provided you have artifacts, shut off opposing artifacts, and tick up to six loyalty the turn it enters the battlefield are all solid indications that it should find a home in Modern
4 is where creatures start to become big
Dragons Rage Channeler For years, Modern tempo decks struggled to find a cornerstone threat
The key to beating Jund is to know how Jund has Junded its way through Modern and Magic to become the deck players think about when talking midrange decks