Slither King

{2}{w}gain life for each slither you control
{2}{u}all slivers gain shroud until end of turn
{2}{g}all slivers get +2+2 and gain trample until
end of turn
{b}{b}{p/b}{p/b}{p/b}{p/b} tutor for any slither put it into play
{2}{r} deal 4 damge to any target