900 card binder Pokemon Binders 9-Pocket Holds Cards, PU Leather Zipper Collection Album With 50 Removable Sleeves, Metal 3-Ring, For Trading Cards, Baseball, Football, Basketball, Playing Cards ensuring that your valuable collection remains in top 900 Pockets Collectible Trading Card

I think the baseline for a master set is one copy of all regular cards and one copy of every reverse as Quuador mentioned

When this traditional foil card is a double-faced card, then your Draft Booster will have three DFCs within

Midrange decks often build up a board state that can survive an early-game rush and get ahead of slower decks

BT7-040 SR Digimon Lv.6 Alternative Art Rasenmon Color Yellow Cost 11 DP 11000 Digivolve Cost 1 Yellow 5 from Lv.5 Form Mega Attribute Data Type Beastkin Card Text 1 [Effect] When digivolving into this card from your hand, the memory cost of the digivolution is equal to the number of cards in your security stack

You can only use this effect of "Drowning Mirror Mage" once per turn