side load card binder 1 Pocket – Collectible Trading Card Album, Single Card Holder with 20 Pages, Holds 40 Cards, Side-Loading Mini Binder for TCG, MTG, Sports, Baseball, Football, Small Sports Card Book PVC materials Trova Core 12-Pocket Side-Loading Trading

Maybe also Humble Defector

Good for Beginners : Balanced mix of cards and tools to start collecting or battling

In the opening turns, move level 3 Digimon from the breeding area to the battle area and use [BT18-004 Puroromon]'s inherited effect to place cards from your hand as face-up security cards

Aven Fogbringer Azor, the Lawbringer Boon-Bringer Valkyrie Bringer of the Black Dawn Bringer of the Blue Dawn Bringer of the Green Dawn Bringer of the Last Gift Bringer of the Red Dawn Bringer of the White Dawn Chillbringer Dawnbringer Charioteers Dawnbringer Cleric Deathbringer Liege Deathbringer Regent Deathbringer Thoctar Domri, Chaos Bringer Dovin's Veto Dreadbringer Lampads Endbringer Endbringer's Revel Etched Host Doombringer Floodbringer General Kreat, the Boltbringer Glorybringer Hushbringer Lawbringer Leonin Lightbringer Lightbringer Lyra Dawnbringer Mardu Blazebringer Painbringer Quakebringer Reya Dawnbringer Rodolf Duskbringer Ruthless Lawbringer Sarevok, Deathbringer Shard of the Nightbringer Shauku, Endbringer Soaring Lightbringer Sunbringer's Touch Thawbringer Warbringer Witch-king, Bringer of Ruin Woebringer Demon