Exploit (When this creature enters the battlefield, you may sacrifice a creature.)

When Stitched Assistant exploits a creature, scry 1, then draw a card. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Stitched Mangler enters the battlefield tapped.

When Stitched Mangler enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.