The strat is all about starting off with a baby and dragonic diagram. Use the field spell to destroy the baby and add Lithosagym to the hand. The baby will let you special summon Oviraptor which you use to bring a baby to the hand. Then normal summon the baby and use oviraptor to destroy it and special summon the other baby from the grave. Then use that other babies effect to bring out another baby to the field.
Then use Lithosagym to kill both babies and bring himself out (allowing you to banish 3 cards from the opponent's extra deck. Then since both babies were killed, use them to bring out aeolo and another level 4 dino (misc or giant rex usually) and then turn your 2 level 4's and aeolo into Trishula to banish a card from your opponents hand. Then use both level 9's to bring out true king of all calamities.
Depending on the other cards in your hand you can also potentially get out Ultimate Conductor Tyranno and a baby for further plays.