is it worth double sleeving cards 300 Pack Card Sleeves Clear, Perfect Fit Inner Sleeves Ideal for Double-sleeving, Trading Card Sleeve Compatible with MTG, PKM, TCG and Gaming (60 Microns) : Toys & Games Double Sleeving vs. Penny Sleeving

That's because this is the set where the Phyrexians' plans come to fruition, before a massive showdown in March of the Machine marks the finale of the storyline

During the Battle Phase, if you activated this effect this turn, each time an opponent's card effect resolves, this card gains 1000 ATK until the end of the Battle Phase, also, it can make a second attack during each Battle Phase this turn

C Common UFO Turtle X FIRE Level 4 [ MachineEffect ] ATK 1400 DEF 1200 When this card is destroyed by battle and sent to the GY: You can Special Summon 1 FIRE monster with 1500 or less ATK from your Deck, in Attack Position

If your online collection isnt 100% in line with the paper collection, whats the point in having an online database in the first place