discontinued. Landwalk was removed in 2015 with the release of Magic Origins, and no more Regeneration cards have been created starting with the Shadows over Innistrad block in 2016. Many Limited Edition cards had abilities that have since become keyword abilities. The ability "may only be blocked by black or artifact creatures" was recast as the keyword Fear in 8th Edition which was replaced by Intimidate with the release of Zendikar. A rule in Limited Edition that prevented Walls from attacking was removed in 9th Edition and all walls were given the new keyword "Defender", which prevents them from attacking. 's ability "doesn't tap to attack" was recast as the keyword Vigilance in Champions of Kamigawa. "May attack the turn it comes into play" has changed twice; it was first changed to "unaffected by summoning sickness" in Mirage and then replaced with the keyword Haste in Urza's Destiny. The rules of Limited Edition included a provision for ante. Games would be started by each player removing a card at random from their deck. The winner of the game took both cards. There were also cards that interacted with the ante, such as . This aspect of the game continued until the Homelands set in 1995, but was dropped as the cards became collectible and valuable and the company did not want to be associated with gambling. Limited Edition included a number of unique cards exploring mechanics rarely seen in later sets. is a card involving dexterity, in which the card is flipped onto the play area to determine cards destroyed by the Orb. Both manual dexterity cards such as Chaos Orb and ante cards are banned in all sanctioned Magic formats as of 2013. Notable cards The "Power Nine": , , , , , , , , and . These are widely considered the most powerful cards in Limited Edition, and are among the most powerful in all of Magic: The Gathering. All of these cards are now restricted in tournament play; players may only include one copy of each in a deck. The color distribution of the Power Nine is heavily skewed; six of the cards are Artifacts, while the other three are Blue cards. In April 2016, an Alpha Black Lotus card graded as a 9.5 out of 10 was sold on eBay for $38,000; on February 27, 2019 a Black Lotus graded 9.5 out of 10 was