The Void Sliver

+2: Create a 1/1 colorless Sliver creature token.
-2: You may exile a Sliver from your hand or graveyard. The Void Sliver gains the ability of all Slivers in exile.
-10: You get an Emblem with "Whenever a Sliver enters your graveyard, you may exile it instead, and then add a different Sliver to your hand."