Nantuko Shrine also generates a bunch of tokens, but it wont do much in a singleton format
A player loses the game after having been dealt 21 combat damage from any one of them, not from both of them combined (although your Background won't usually be a creature anyway)
That was all a lot more plausible before the Modern Horizons sets
They could reprint these cards by creating similar but worse cards by slightly changing their mana cost, another stat, or type, but thats not the issue
Return to Ravnica was also notable for producing one of the most absurd Limited cards in Pack Rat, but its the Shaman that defined Return to Ravnica for me: intriguing on the page, domineering on the table
Illuna slots into any number of decks as well as providing value from out of the command zone