Nemesis prerelease events were held on February 5, 2000. At these events the prerelease card, a foil Rathi Assassin, was handed out. The set was officially released on February 14, 2000. The 143 Nemesis cards come in three rarities, common, uncommon, and rare. 55 cards are common, 44 are uncommon, and 44 are rare. Nemesis booster packs include 15 cards, one rare, three uncommon, and eleven common.) that have a legendary creature on one side representing the character before their transformation, and a planeswalker on the reverse face that represents them after gaining their new power.