Since you have access to some of the best lifegain, phyrexian mana could have made the list, but I think that takes it too far
You had the option of using snow lands for cards like Frost Bite and Blizzard Brawl, which could replace Play with Fire and Rabid Bite
Yugi's Deck mostly focuses on Warrior and Spellcaster-Type monsters, contrasting Seto Kaiba who uses Fiend and Dragon-Type monsters, or cards with a technological theme to them
With 30 creatures and 21 enchantments, the strategy is crystal clear: get creatures on the board and buff the hell out of them with enchantments
It's unfortunate that the best Equipment and Equipment enabling is and always will be pricy, but if you already have some of these options laying around, a souped-up Limit Break is a great place for them: Nahiri, Forged in FuryNahiri, Forged in Fury Fighter ClassFighter Class Stoneforge MysticStoneforge Mystic Codsworth, Handy HelperCodsworth, Handy Helper Halvar, God of BattleHalvar, God of Battle Hammer of NazahnHammer of Nazahn Sword of Feast and FamineSword of Feast and Famine ShadowspearShadowspear Excalibur, Sword of EdenExcalibur, Sword of Eden Commander's PlateCommander's Plate Bracket Upgrades Which Game Changers might you want to add to Limit Break