A card code is a series of letters and numbers (specifically two letters followed by two numbers) that is used as a distinction for R&D, and other internal sections of the company, to identify a particular card
There have been a few different discoveries, and we think weve got a fun one
This changes a bit in glacially slow Constructed metas, where games are expected to last until turn 10+ on average
Mondrak, Glory Dominus + Kessig Malcontents + Marshal's Anthem: The line with this one is to play the Kessig Malcontents and target your opponent, sacrifice it with Mondraks ability, then return it with Anthem and deal damage a second time
This is so punishing against creature-heavy decks
Dragon's Approach is a neat one that can be run alongside cards like Pyromancer Ascension, which is otherwise unplayable in Commander