By linking your system to someone else's, once per person, and doing "Card Pop!", each of you gets one random card
A few clarifications for those readers who are unsure how Omen Machine (and such similar effects instructing players to cast a card) works: When an effect instructs a player to cast a card ("if able"), and there is no word "may", that means that the player has no choice, and is forced to cast the card, if it can be legally cast
or (b) the only method of establishing at the time of publication of the Catalogue that the Lot was a Forgery would have been a scientific process not then in general usage, or which would have been too costly or impractical or would have been likely to cause damage to the Lot
You can also take part in one of the battles with it
Though more common today, older reverse holos steadily gain value over time