Code of Constraint
Instant
Target creature gets -4/-0 until end of turn.
Draw a card.
Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.
Printings & Conditions (3)
Ravnica Allegiance (RNA)(Ravnica Allegiance)#35Uncommon
Ravnica: Clue Edition (CLU)(Ravnica: Clue Edition)#83Uncommon
The List (PLST)(The List)#RNA-35Uncommon