Gate Guardian works just fine.. he doesnt even do nothing when he sees the cards except put everything in defense mode. he doesnt even attack even tho he can win game with A.Cat. must be an AI thing when they see such high monster or maybe im just lucky he never has it at the right time. i dunno. but he acts scared when he sees gate guardian
Yea he finally mananged to get his cat a few times. However it was still cool cause i had farmed so manay duelist that i didnt matter. i already have 3382250 mill points and still have leftover energies to keep dueling him. i got all his cards maxed out except for Rainbow life which i have 2 of. not sure if i care for the third one.
He does use the cat at lvl 40 but he'll only set it down face up if you don't have a monster to overpower it and your life points are already below 1000, otherwise he'll put in defense mode, in my experience at least.