Step 1. Activate Lost World
Step 2. Normal Summon Souleating Oviraptor
Step 3. Using Oviraptor's effect, add Ultimate Conductor Tyranno or Miscellaneousaurus to your hand
Step 4. Using Lost World's effect, special summon an egg token to the opponent's field
Step 5. Activate Miscellaneousaurus's effect, discarding itself to protect all dinosaurs from activated effects
Step 6. Using Oviraptor's effect, target the egg token to be destroyed. This activates Lost World's effect, instead sending Petiteranodon to the graveyard
Step 7. Using Petiteranodon's effect, Special Summon Giant Rex from the deck
Step 8. Link Summon Reprodocus using Oviraptor and Giant Rex
Step 9. Banish Miscellaneousaurus using his effect, and special summon Jurrac Aeolo under Reprodocus
Step 10. Using Reprodocus's effect, change Aeolo's attribute to Earth
Step 11. Banish Giant Rex and Petiteranodon to special summon Ultimate Conductor Tyranno using its effect
Step 12. Using its banish effect, Special Summon Giant Rex
Step 13. Synchro Summon Naturia beast using Aeolo and Giant rex