If you don't know what I'm walking about:
A tierlist is a table where you enter the data for two good players facing each other (usually 10 times) with different decks and the possible outcome.
For example, this is what one looks like for SSF4: 
http://iplaywinner.com/super-street-fighter-4-tiers/ 

I feel that there must be something like this in this game, it feels pretty similar to a fighting game in that aspect.