"DNA Surgery" can give you get some protection for your own monsters (if Psychic is declared), while also possibly disrupting your opponent's strategy.
Special Summon "Lava Golem" in Defense Position, which can allow you to remove 2 of your opponent's monsters while gaining 3000 Life Points if you destroy "Lava Golem" with this card.
If your opponent takes control of this card, "Dimensional Fissure" can stop your opponent from using its Life-gaining effect.
This card can be very useful in a "Reptilianne"-focused Deck, as any monster whose ATK is reduced to 0 would result in a possibly high Life-Point gain (since the effect of this card resolves in the Graveyard).
"Shrink" can also be effective if facing a monster whose ATK is stronger than this card.
"Stardust Dragon", if used alongside this card, can provide extra protection.