Originally Posted by
Echelon
SE stands for Systems Engineering, which is a requirements based approach on project development/management. What this means for MtG is that rather than start off with "I want to build a Nic Fit deck" (for instance) you start out with defining what you want your deck to do, what functions you want it to fulfill and so on. First you figure out what you want your deck to do, break that down in functions and numbers, then you try to build a list that focuses on meeting those requirements.