House is an endless value engine that can single-handedly keep you afloat
Creature - Artificer Phyrexian Color tag templates(None) Solemn Simulacrum When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle
Creature Artifact - Construct Color tag templates(None) Wurmcoil Engine Deathtouch, lifelink When this creature dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink
As such, while missing out on a Street Wraith or Cursecatcher might be frustrating, by the numbers, the odds of this happening are fairly high
Dark Salvation is a bit clunky as removal goes but there are not many good zombies that disrupt beyond Skinrender and so it seems like one of your better removal options