Wretched Throng 
Creature — Zombie Horror
When this creature dies, you may search your library for a card named Wretched Throng, reveal it, put it into your hand, then shuffle.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL