Road Signs

When an opponent attacks you, they must
sacrifice that creature or creatures at the
beginning of the next end step.
{r}{r}: Tap target creature an opponent controls.
That creature doesn't untap during it's
controller's next untap step. Each player draws
two cards.
{4}{r}{r}{r}: Destroy target creature an opponent controls. each player draws a card.
The law can be more powerful than the gods themselves.