The two ways to play YuGiOh online do, naturally, share a bunch of common factors
What would your reaction be

----- for search ----- Fenghuang of Nephthys Exodia the Forbidden One Saber Demon Dragon Saber Star Dragon Djeminai Elf Red Eyes Black Metal Dragon Snubbull Eyes HoWight Dragon Snubbull Eyes Ultimate Dragon Red Eyes Black Dragon Black Demons Dragon Buster Bulette Dar Mystic Swordsman Ancient Fairy Dragon Chaos GoddessChaos Goddess Ruin, Queen of Oblivion Raiza the Storm Monarch Grand Marg, King of the Earth Mobius the Frost Monarch Red Demon's Dragonbuster Gaia The Fierce Knight Gaia the Dragon Champion Ultimate Integrity Body Great Moth Sun Dragon Inti Insect Queen Toon Relinquished Thousand Eyes Relinquished Hamon, Lord of Striking Thunder Uria, Lord of Searing Flames Raviel, Lord of Phantasms The Enchanted Queen The Creator Dramaturge of Despia Kairyu-Shin Neo Daedalus Venomi, Serpentine Princess Penumbral Soldier Lady The Winged Dragon of Ra Slifer the Sky Dragon Obelisk the Tormentor The Three Phantoms The Three Demons God God English Umi Gai Old Asia 20th Early Big Shield Gardner Dark Sage Psychic Mage Swordsman Black Paladin Black Magician Black Feathered Dragon Black Magician Girl Vicer Shock Vampire Genesis Dark Magician of Chaos Magician of Black Chaos Darkness Demon Gilfer Demon Chaos Soldier Flame Wingman Soaring Ultra Ultra Rare Holographic Prisma Secret Rare Spirits of Pharaoh / Undead / Yu-Gi-Oh Cards/Asia Version/Ultra This is Spirits of Pharaoh of old Asian edition

Recursive effects use the graveyard as a resource, but there are plenty of combo outlets and ways to turn your graveyard into additional value
If a card effect allows you to grab a card from your Main Deck, it is shuffled and placed back face-down.