It's reported that the maker of the cards, Wizards of the Coast, had destroyed most of its creations, but only a handful of them are still out in the wild (notably around ten copies)
The rules text said, "a creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it." That really just moved the problem around to the other colors
For example, the Tarot deck, originally for competitive card games, later morphed into a tool for fortune-telling
You can make more decks, the level cap have been increased, and the UI has been reworked
Raging Ravine is also one of the better ones, but less good because of the mana investment and lack of evasion