Mnemonic Sliver | Magic: The Gathering
Formats Mnemonic Sliver is Legal in
Official Oracle Text for Mnemonic Sliver
—Hanna, Weatherlight navigator
Official Rulings for Mnemonic Sliver
7/1/2013 : If the creature type of a Sliver changes so it’s no longer a Sliver, it will no longer be affected by its own ability. Its ability will continue to affect other Sliver creatures.