Venominaga Stone Seal challenge

Well first beat everyone in world of darkness 5 times you should then unlock a pack keep buying till you get 100% make a deck out of reptiles then challenge you Must summon venominga the diety of poisonous snake to win

First biuld a deck of reptiles in order to actually win and I learnt this the hard way is to actually win using Venominaga effect

I just open the seal. So, here is my deck,

Monster:
Alien Shocktrooper 2x
Armored Lizard 3x
Gagagigo 3x
Grappler 1x
Krokodilus 3x
Worm drake 3x
Man-Eater Bug 3x
Morphing Jar 1x
Vennominaga The Deity of Poisonous Snakes
Vennominaga The King of Poisonous Snakes

Spell:
Gold Sarcophagus 1x
Heart of the Underdog 2x
Pot Of Avarice 1x
Premature Burial 1x
Snake Rain 2x
Venom Swamp 1x

Trap:
Call of The Haunted 1x
Damage=Reptile 1x
Level Limit Area A 2x
Ojama Trio 2x
Reckless Greed 2x
Rise of the Snake Deity 1x

This is the strategy, fill your opponent field with ojama token. You can use Man-Eater Bug Effect to destroy 1 of ojama token. Then, fill your opponent field with all the ojama token by using Ojama Trio.
After you fill his field, use Level Limit Area A. Please don't attack him until you have Rise of Snake Deity, Pot of Avarice, premature burial, Man-Eater Bug in your hand. Set the Rise of snake Deity on your field with Man Eater Bug. After you summon Vennominon the King of Poisonous Snakes, Flip summon the Man-Eater Bug to destroy Vennominon the King of Poisonous Snake, activate the rise of snake deity. After you successfully summon Vennominaga the Deity of Poisonous Snake, make sure it's attack not more than 2500. You can reduce it's Attack by using Premature Burial, Call of The Haunted and Pot of Avarice. Attack The Ojama Token with the Venominaga the Deity of Poisonous Snakes ONLY. After you attack the Ojama Token 3 times, you will successfully break the seal. Sorry for long explanation. If you don't understand. Please ask again which part do you not understand. Tq.