The trick to winning Tetra Master is to make sure you always go second. If you get the chance to place the final card, you'll win the match like 90% of the time. Technically is has more complex rules than Triple Triad but's it's surprisingly less complex since most of those rules really don't matter like they do in TT.
Steiner is kind of a buzz kill at first, but he becomes hilariously endearing after awhile since he is largely fretting about crap no one else cares about.