Furthermore, there are many more widely played formats (such as Tiny Leaders) I could provide a link to, but the reality is that if you include all those formats in your definition of previously banned, some person will eventually just invent a format that bans every card but basic lands, and therefore will be able to tutor all cards
7 Crown Zenith Ditto (Numel) This card has one Ditto disguised as the third-generation Fire-type Pokemon Numel, blending into a herd of them
Equip only as a sorcery.) Artifact - Equipment Rabble Rousing Hideaway 5 (When this enchantment enters, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever you attack with one or more creatures, create that many 1/1 green and white Citizen creature tokens
In practice, blue decks tend to be very good at blocking creature removal, and the generous wording on the aura means you dont need to risk the enchanted creature in combat to get the benefits
The reason its not in the Top 10: its a contest promo, not a booster or high-class pack card