His back side has it so that your wizards are dealing double damage to permanents and players, which include the tokens he's created
The first list included: All cards from Alpha and Beta that werent reprinted in Fourth Edition or Ice Age , including the iconic Power 9 All uncommon and rare cards from Arabian Nights and Antiquities that hadnt been reprinted with a white border (i.e., that werent reprinted in Revised , Fourth Edition , or Chronicles ) All rare cards from Legends and The Dark that hadnt been reprinted with a white border Afterwards, more and more cards were added to the reserved list until Mercadian Masques was released in 1999
And rightfully so
However, since it doesn't appear in the regular Play Boosters, purchasing Collector Booster Packs to get the card is not a good investment, with Collector Boosters for MTG 's FF set going for around $130 per pack and displays going for over $1,330 each
Since then several reprints have been sprinkled into Commander products such as the Universes Beyond Tales of Middle-earth Commander
This isnt an exhaustive list of options, since the sky is really the limit for this strategy