Sliver Ascendant

+2: Imprint - Exile target non-token, non-sliver creature an opponent controls, that opponent gains life equal to its power or toughness.
-X: Put X 1/1 colorless Sliver creature tokens onto the battlefield.
-8: You get an emblem with "Sliver creatures you control gain all abilities of all creatures exiled by Sliver Ascendant."