Opposing Ideals

If {b} was spent to cast Opposing Ideals, target creature gets -3/-3 until end of turn and it's controller loses 3 life.
If {w} was spent to cast Opposing Ideals, target creature gets +3/+3 until end of turn and it's controller gains 3 life.
If {b} and {w} were spent to cast Opposing Ideals, until end of turn, creatures you control gain +1/+1 and all other creatures get -1/-1.