This card goes great with "Ally of Justice" cards since you would use "DNA Transplant".
This card could be used to run over the stronger "Lightsworn" monsters. However, be aware that "Honest" could be used against you.
Use this card in a side deck if LIGHT monsters are commonly seen. It's actually a great choice if you control more than 2 monsters.
If you have a deck with many LIGHT monsters, this card can be combined with "Creature Swap" or "Shien's Spy" too and can also be used against a deck with many cards that steal your monsters ("Tragoedia", "Monster Reborn" etc.) so it will be even better in your side deck!