2 5/8 x 3 5/8 card sleeves to mm BCW Standard - 2-5/8" 3-5/8" - Packs (300 Total) | Crystal Clear Acid-Free, Toploader Made from Cleartech Polypropylene 100 Ultra.Pro Stor.Safe Tall Soft

In fact, the main deck at the top of the meta that runs Caverns is Amulet Titan to ensure their 7

Cards are randomly inserted in each box

And each lets you do different things with your Umi cards (which is all of them!). Azure Ocean Dragon Lord - Neo-Daedalus Rage becomes Umi and you can send an Umi to the Graveyard to send all cards on the field to the Graveyard that arent Umi. Levia-Dragoon - Daedalus becomes Umi and you can send an Umi to the Graveyard to make your opponent redraw their hand. And the reimagined Leviathan of Atlantis - Daedalus becomes Umi, and lets you trade up to 3 Umi you control for 3 cards from your Deck that mention Atlantis then destroy any card on the field! There are 3 more monsters that become Umi and mention Atlantis (plus the Advent of Atlantis Continuous Spell Card), so youll have plenty of Umi to flood the field.Drag your foes through Ashtrashen - Gate to the Worlds Beyond and besiege them with terrifying Traps

Ludevic, Necro-Alchemist [Partner]: More card draw