The true number is hard to estimate because most players see only a slice of the card pool at any given time the sets that were legal when they played, the cards their friends owned, and whatever showed up in tournaments they followed
Youre just trying to enforce the singleton nature of the format
The artwork was entirely exclusive
By 1999, the games publisher, Wizards of The Coast, introduced it to North America, and the cards became a global success shortly after this
If you do, until end of turn, creatures you control with toughness greater than their power assign combat damage equal to their toughness rather than their power
This commander works best in an Alesha, Who Smiles at Death-style deck that wants to recur many small creatures rather than one or two large ones