Its obviously not the strongest play, but its a nice way to play a snow deck
Every millennial and Gen Xer who bought Pokmon cards in the '90s has probably spent some time poring through their attics and basements in search of buried treasure
Umbra armor won't do anything because it won't have to
Instead, he had to make due with a slightly less extreme set of threats, most of which were designed to be especially good at beating whatever the opponents best threat was (given the nature of Hypergenesis letting them play their best threat for free)
They realized that the game was hopelessthey could play it out, but it would take a long time for them to eventually lose, no matter how many resources they brought to bear
If the shipping costs arent too high I could send you some fakes for free, so you can feel / see the differences for yourself