Skavorax, The Rat Queen

Rats you control have Lifelink.
{x}{b}{b}{b} Search your library for half of X
rounded down Rat colony's and put them on the battlefield tapped.
{p/b}{p/b} {p/b} Draw two cards and lose two life.
{b}{b}{b}{b} Pay 5 life: Create an emblem that says
"Rat creatures you control have Indestructible.".
{p/b}{p/b}{p/b}{p/b}{p/b}{p/b} Create an emblem that says "Rat creatures you control are Unblockable.".