Amazon.com: DeElf 1000 Bulk Clear Card Sleeves for Playing Card Standard Size Trading Game Fit MTG Baseball and Sport Cards Acid Free Enhance Penny Protector : Toys & Games Amazon.com: Premium Penny Sleeves for Trading Cards Standard Exact Fit 100 Clear Inner Sleeves to Protect Pokemon, Magic, Yugioh, Baseball, Football and Collectible Cards : Toys & Games Do I need to sleeve cards first in penny sleeves? 50 MTG Standard Card Sleeves to Protect your Deck Werewolf Snow Teeth MTG Sleeves I did have to penny sleeve my deck once for a prerelease tournament Will not forget to bring sleeves again #tcg #lcs #sleeve #gamerschoice Do you always use a penny sleeve for your sports cards? In some cases, it may not be necessary. Of course, you always do whats best for you. This is just my way of doing things.