S:P Little Knight

As an additional cost to cast this spell, you may sacrifice any number of nontoken creatures. This spell costs {1} less for each creature sacrificed this way.

When S:P Little Knight enters, exile target nonland permanent on the field or in any player's graveyard.

{1}{b}, {t}: Banish target nonland permanent you control
and target nonland permanent an opponent controls. Return them to the battlefield at the end step.