Thats not all
Not only that, but you can use Ulamog to destroy their best permanent before that, making the decision of what to sac even harder
A BGS 10 BLACK LABEL Arceus VSTAR 262/172 Universe Gold recently sold for $990
If youre still unsure after the initial tests, you can compare the alignments of the mana symbols , as these differ clearly between Alpha, Beta, Unlimited, and IE/CE
Proxies: Acceptable Replacements (for casual play) If what you really want is a playable stand-into test a deck, play casually, or protect expensive originalsthen youre not looking for counterfeits
The big deal with lords is that they are only played if that archetype is being played, but general tribal cards are played if any one of the 5-8 tribal archetypes is played