Phyrexian Shredder

{p/u}{p/b}:Put a +0/+1 counter on Phyrexian Shredder
{p/u}{p/u}{p/u}:Phyrexian Shredder gains reach
{p/b}{p/b}{p/b}:Phyrexian Shredder gains deathtouch
When a creature dealt combat damage to by Phyrexian Shredder dies, deal 2 damage to that creature's controller