Use proxies so that ownership is not permanent and you don't need to keep track of cards (lost cards are kept in your possession, just not in your deck)
If Joss continues in his love for Pokmon, no doubt Ill look back on this in a year and realize just how much I didnt know
Use them in your decks Once you have printed out your cards, you can use them in your decks for casual play and testing
Artifact cards and Red creature cards in your hand suddenly gain warp, letting you exile them for a discount and cast them on a later turn
Then, play up to 1 [Zou] from your hand.
(YGOrg Translation) Extended Art Card becomes a serarchable hand trap, summoning itself from the hand when an opponents monster effect is activated or their monster attacks, if either action happens while it is on field, it tutors or summons a Dark Magician from your Deck/GY, and changes the ATK of the opponents monster to 0