Vicious Sliver

When Vicious Sliver attacks, all Slivers gain
+2/+0 until end of turn.
{1}{b}, Sacrifice a Sliver: Renerate Vicious Sliver.
It deals damage equal to its power to target creature or player.
"Offer your hand to the greedy, they will take
your arm. Offer your hand to the Sliver, they will digest it, synthesize acid from it, and spit it back in your eyes." -Grayvan Klenn