I am sure you are familiar with Rapid Strike Inteleon and how amazing it is to round up numbers and set up easy KOs
Standard only uses two different strong dual land cycles per year, and some more budget options like Gates and gain lands, but with only two years' worth of cards, there just aren't many options
I cant be upset at anyone getting value from looting away madness cards, and haste is particularly valuable here
The interesting part, however, comes from Madness letting us cast it at instant speed
At the beginning of the next end step, if any of those cards remain exiled, put them on the bottom of your library in any order
The remaining three would be fine early drops in any Limited set but particularly stand out for their synergy potential