yugioh speed duel deck size Starter Decks: Match of the Millennium & Twisted Nightmares – Yu-Gi-Oh! Speed Duel (format) | Yu-Gi-Oh!

Replicate what you are doing on the main instance on all other instances

3 Umbreon Terastal Festival ex (Master Ball Foil) $345.29 Master Ball Magnificence Umbreon stands tall with another appearance, claiming two spots among the most valuable cards in Japan's Terastal Festival ex

You can even get binders which will hold cards in toploaders, which offers amazing protection for your most valuable cards and also allows you the ability to look through them like any normal binder

Ultimate Super Deck 8.7 22 [85124] JP114 Meteor Black Comet Dragon Fusion Monster Effect Monster - 8 Dragon 3500 2000 1 Level 7 "Red-Eyes" monster + 1 Level 6 Dragon monster If this card is Fusion Summoned: You can send 1 "Red-Eyes" monster from your hand or Deck to the GY, and if you do, inflict damage to your opponent equal to half the original ATK of that monster

Most of the cards are even surprisingly cheap.

If you find a way to exploit his coin flipping ability, I'm sure it can be an incredibly powerful one, and the fact that it will work on each turn makes it even better