They're divided into four categories: Item, Supporter, Tool, and Stadium, each providing unique effects that can empower your strategy
(6/15/2010) If a creature controlled by the affected player can't attack Gideon Jura (because he's no longer on the battlefield, for example), that player may have it attack you, another one of your planeswalkers, or nothing at all
They pull us in multiple direction, taunting us with various routes to victory or encouraging us to assemble bizarre combinations of cards to achieve some ridiculous goal
The current price for Ashiok is about right, and there should be no drastic movements on the market
So they'll either ignore them or rely on Ichiji's Power reduction