Science Machine

{t,} {w}{b}: look at the top 3 cards of your library and rearrange them in any order.
Machines were used in the wars to fight against the slime years and do enough to stop them, but in their free time they are but simple things of useage. machines are used to make things happen, sometimes things happen that are bad... and people knew later, too much so later, that it was too late. — The Slime Years by Reginald Bund