Stitcher's Lab

Tap an untapped Zombie you control: Target
player puts the top card of their library into
their graveyard.
If you must exile a one or more creature cards
from your graveyard as an additional cost to cast
this spell; ignore the need to remove the first such
creature.
"All the tool of home! The chemicals, blades, saws,
infusers, galvanic equipment, geistcages, even some
fresh bodies!" - Geralf, on entering Ludivec's lab.