The first step to building this successfully is bulking up your multicolor synergy
Green gets bite spells, black burn spells like Consuming Corruption tend to gain life, and white ones like Hobbit's Sting or Joust Through relate to creatures and combat, for example
On paper, this seems great
2 Ulalek, Fused Atrocity More Flexible Than It Seems As the face commander of the deck, Ulalek's ability is a bit confusing, but it's worded such that you can copy your Eldrazi spells and the cast triggers usually associated with Eldrazi
Seeing how Arkana had no qualms about damaging his own cards, this made Yugi realize that Arkana used the stripper technique, where Arkana trimmed the edges of his "Dark Magician" cards, so when Yugi cut Arkana's Deck he would inadvertently cut it at the point so that the "Dark Magician" would be on top of a small stack, ensuring that one of them would be at the top of the entire Deck
Now you can play the Yu-Gi-Oh