plastic card protector sleeves 200 Hard Plastic, 3"x 4" Trading Card Holder, Sports Cards Protectors for Top Baseball Game Sports Cards Cases (100 Hard Sleeve + 100 Soft Sleeves) : Toys & Games allowing them to easily and securely fit into any binder for safe keeping. 1000 Hard Plastic Card Sleeves

Thats some expensive cardboard

Target said it will temporarily stop selling trading cards, including Pokmon, after a disagreement over the collectibles sparked a fight at a store in Wisconsin

Next we have E - Emergency Call, which allows you to add 1 monster from your Deck to your hand that includes Elemental Hero in its card name. Many players would consider this needless, because they could always use Reinforcement of the Army and get any level 4 or lower Warrior monster from the deck (including most of the Elemental Heroes)

being able to tap equipment and other artifacts for Improvise is nice

If your deck cares about creature types and board presence, Omni-Changeling fits cleanly

Price: Free