Step 1. Activate Lost World
Step 2. Normal Summon Souleating Oviraptor
Step 3. Using Souleating Oviraptor's effect, add Miscellaneousaurus from the deck to the hand
Step 4. Using Lost World's effect, Special Summon an Egg token to the opponent's board
Step 5. Acivate Miscellaneousaurus's effect, discarding itself and protecting all dinosaurs from activated effects
Step 6. Activate Souleating Oviraptors other effect, targeting the Egg Token to be destoryed. This activates Lost World's effect, protecting the egg token and allowing you to send Giant Rex to the gravyeard
Step 7. Using Miscellaneousaurus's effect, banish itself and Giant Rex to special summon Petitranodon from the deck
Step 8. Activate Giant Rex's effect, special summoning itself from the banish zone
Step 9. XYZ summon a rank 4 monster using Giant Rex and Oviraptor
Step 10. During the End Phase, due to Miscellaneousaurus's effect, Petitaranodon will be sent to the graveyard. Use its effect when it is sent to special summon Dinowrestler Pankertops from the deck