You dont need too many other Shrines to make this one have long-term benefits that outweigh the expense of playing it
It creates its own fodder, though you'll want to rely on other token generators to copy something other than 1/1 elves
Top 5 Red Cards Ox of Agonas Phoenix of Ash Blood Aspirant Storm's Wrath The Akroan War Two good escape cards in Red, I'd be surprised if neither of them showed up in a midrange or an aggressive deck
Belzenlok is not one of those commanders whose necessary for the deck to work, but when used at the right time can really accelerate your board
However, that was just reprinting six cards, and there are hundreds of new cards in the 40k commander decks - not to mention that the Astartes, Necron and Tyranid creature types are part of Games Workshop's intellectual property, so presumably can't be reused without their license.
Beyond that, Aerodactyls attack that only required colorless energy meant that this mon could be slotted into almost any deck to hose the major strategies of the time