Ritual Deck

try this deck it might have an 80.5% chance of working

Black Luster Soldier x2
Ruin, Queen of Oblivion x1
Demise, King of Armageddon x2
Relinquished x1
Dark Master - Zorc x2
The Masked Beast x3
Shinato, King of a Higher Plane x2
Reshef the Dark Being x2
Lycanthrope x1
Sonic Bird x2
Senju of the Thousand Hands x3 (for helping u get an ritual spell from your deck to hand )
Manju of the Ten Thousand Hands x3 ( for helping u get a ritual monster or spell to your hand)
Ritual Raven x2
Blue Eyes White Dragon x3 (for advanced ritual art, since many ritual monsters are 8 stars)
The Gadgets x3
Powerful level four normal monsters(Gene-Warped Warwolf, Luster Dragon, Etc.)
Many other Ritual monsters

Contract with the Abyss (if you use mostly DARK Ritual Monsters) x3
Advanced Ritual Art Limited to 1 per deck
Earth Chant (for Lycanthrope and B. Luster Soldier) x2
Samsara x1
Fulfillment of the Contract x2
Ritual Foregone (Only to use the effect of Demise, Zorc, or Reshef) x2
Ritual Cage x2
Preparation of Rites x2
Book of Moon (for Sonic bird, Senju of one thousand hands and Menju of ten thousand hands) x3
Ascending Soul (if you don't have Samsara) x3

Traps
Magic Drain x3
Ultimate Offering x2
Birthright x2
Cursed Seal of the Forbidden Spell x1
Ritual Buster x2
Negate Attack x2

I hope this helped

or it u don't like that try a dark ritual deck.

Monsters
Djinn Presider of Rituals x3
Sonic Bird x2
Ritual Raven x3
Senju of the Thousand Hands x3
Manju of the Ten Thousand Hands x3
Blue-Eyes White Dragon x3
The White Stone of Legend x3
Demise, King of Armageddon x3
Dark Master - Zorc x3
Relinquished x3

Spells
Advanced Ritual Art x1
Contract with the Abyss x2
End of the World x2
Contract with the Dark Master x1
Black Illusion Ritual x3
Pot of Avarice x3

Traps
Reckless Greed x2
Dark Bribe x3
Threatening Roar x2
Mirrior Force x1

and other traps u like