Card Sleeves of DOOM 300-Pack: Which Cards Fit and Why
By Cryptozoic Entertainment | Published: 2026-11-03
Category: Tips & Care
The Epic Spell Wars Card Sleeves of DOOM 300-pack fits any standard 2.5 by 3.5 inch card. Here is how to check your deck and decide if 300 sleeves is the right count.
Quick answer
Buy the Card Sleeves of DOOM 300-pack if your cards measure 2.5 by 3.5 inches and you want one box that covers a full deck-building collection. Skip it if your cards are oversized or you only need to sleeve a single small deck.
Why the 2.5 by 3.5 inch standard matters for deck-building cards
Most deck-building games, including Epic Spell Wars and DC Deck-Building Game, print on the standard 2.5 by 3.5 inch card size. That is the size the Card Sleeves of DOOM 300-pack is built for. If your cards match that measurement, the sleeves are a direct fit with no trimming or forcing.
Measure a card from a fresh deck before you buy. A ruler across the width and height takes seconds and prevents a 300-sleeve purchase that sits unused because your game uses a different format.
The trade-off of a matte printed back
The printed layer on these sleeves has a matte finish. Matte backs cut glare and feel softer in the hand, but they also hide the card back artwork underneath. If you rely on seeing a specific back design during play, check whether a clear-backed sleeve suits your table better. For most deck-building play, the matte back is a comfort choice rather than a problem.
When 300 sleeves is more than you need
A 300-count box is sized for a collection, not a single starter deck. If you own one deck-building game and sleeve only the cards you shuffle most, a smaller pack leaves fewer spares. The 300-pack earns its place when you are sleeving multiple decks, storing a cube, or replacing worn sleeves across a whole collection.
Decision rules for buying the 300-pack
- Measure first: If a card measures 2.5 by 3.5 inches, the Card Sleeves of DOOM 300-pack fits. If it is larger or smaller, choose a sleeve made for that format instead. Measure one card from each game you plan to sleeve before ordering.
- Count your decks: Add up the cards you actually shuffle. If the total is well under 300, a smaller pack may serve you better; if you are sleeving two or more deck-building games, the 300-pack is the practical choice.
- Decide on the matte back: Choose these sleeves if you prefer a low-glare matte back. If visible card back art matters at your table, look for a clear-backed sleeve instead.
- Plan for spares: Keep 10 to 20 sleeves aside for damaged cards and future purchases. A 300-pack leaves room for that buffer without running short mid-campaign. Store spares flat and dry so they stay usable.
Product facts
- Epic Spell Wars: Card Sleeves of DOOM (300-pack): Each pack contains 300 sleeves for standard 2.5 by 3.5 inch cards. One box can cover a full deck-building collection without buying multiple packs.
Epic Spell Wars: Card Sleeves of DOOM (300-pack) - Epic Spell Wars: Card Sleeves of DOOM (300-pack): The clear layer is cast unoriented polypropylene film at 70 microns thick. That thickness gives the sleeve body for repeated shuffling rather than a thin, flimsy feel.
- Epic Spell Wars: Card Sleeves of DOOM (300-pack): The printed layer has a matte finish. Matte backs reduce glare and soften the hand feel, though they hide the card back design.
Who should buy the 300-pack
Best for
- Players sleeving a full Epic Spell Wars or DC Deck-Building Game collection
- Groups that shuffle heavily and want a thicker 70-micron sleeve
- Buyers who prefer a matte, low-glare back
Not for
- Games with oversized or mini cards outside the 2.5 by 3.5 inch standard
- Players who need to see the original card back during play
- Buyers who only need to sleeve a single small deck
