Ratz

[THE WYLDE ONE]

Ratz 75 cards, 15 sideboard 17 {Swamp} 4 {Plains} 1 {Godless Shrine} 22 lands 3 {Ogre Slumlord} 4 {Typhoid Rats} 4 {Gutter Skulk} 4 {Pack Rat} 4 {Drainpipe Vermin} 4 {Ravenous Rats} 2 {Veilborn Ghoul} 25 creatures 2 {Immortal Servitude} 2 {Tragic Slip} 3 {Victim of Night} 2 {Growing Ranks} 2 {Altar's Reap} 2 {Bone Splinters} 13 other spells Sideboard 1 {Mental Agony} 2 {Night Terrors} 2 {Triumph of Cruelty} 4 {Duress} 4 {Mind Rot} 2 {Gruesome Discovery} 15 sideboard cards

[Wally]

You could run  {Gravepurge} to feed the pack rat from your hand instead of  {Immortal Servitude} which puts them back on the field. I mean as options.