Imprison

When Imprison enters the battlefield, exile up to
one target creature until Imprison leaves the battlefield.
{1}{w}{b}: Put a -1/-1 counter on target creature
that shares a creature type with a creature card
exiled by Imprison.
{3}{w}{b}: Put a -1/-1 counter on each creature that shares a creature type with a creature card exiled
by Imprison.