yugioh neo blue eyes ultimate dragon deck Complete Custom for Yu-Gi-Oh! This is of Ultra Rare rarity Neo Blue-Eyes Ultimate Dragon MVP1-ENS01

In a nutshell, cards that say Whenyou can can only be played if the condition is the last thing that has happened

Memory Loss X TRAP When an effect of an Attack Position monster your opponent controls is activated: Negate that effect, and if you do, change that monster to face-up Defense Position

Adding a Warrior toolbox to GC gives the deck a way to generate pluses through combat as opposed to the older versions of GC that leaned on older, metamorphosis-dependent cards like Magical Merchant

you reveal 1 Xyz Monster from the Extra Deck with a Rank less than or equal to that destroyed monster's, and so can your opponent (simultaneously)

Here are a few Level Four Dark Monsters that work for most Dark decks: Barrier Statue of the Abyss prevents Special Summons Armageddon Knight lets you send Monsters from the deck to the Graveyard Dark Honest reduces an opponents Monsters attack to zero during the Battle Phase 8 Dark Mambele Dark Mambele is a great Spell to have if you play a Dark deck that swarms the field with Monsters the Rokket and Blackwing archetypes excel in this area