Rat King

First Strike, Deathtouch, Lifelink
{b}{b}: Target rat gets +2/+0 till end of turn
{b}{b}{b}{b}{b}{2 life} {t}: All rats get +3/+3, First
Strike, Deathtouch, and Lifelink till end of turn.
{5}{b}{b}{b}{b}{3 life} Sacrifice Rat King: All
Rats get +4/+4 FirstStrike, Deathtouch, and
Lifelink for the remainder of the game.