Send "Peten the Dark Clown" from your Deck to the Graveyard via this card's effect. Activate the effect of "Peten", banishing it to Special Summon another copy from your hand or Deck, enabling a Rank 3 Xyz Summon with this card.
In a "Lightsworn" Deck, the following can be done:
Send "Felis, Lightsworn Archer" to your Graveyard, it will Special Summon itself, allowing yourself to Summon a Level 7 Synchro Monster.
Both of the effects of this monster can fit well in a "Forbidden One"/"Exodia" Deck. The first, is that your Graveyard can be filled with "Exodia" and later recover them via "Backup Soldier". The second is its draw power.
With this card's effect, "Shaddoll" monsters can be send from your Deck to the Graveyard, and trigger their effects. "Shaddoll Squamata" can even be send, whose effect can send "Shaddoll Beast", a monster this card can't send by itself. This card can also be used as a Fusion Material for "El Shaddoll Shekhinaga".