57x87mm card sleeves Sleeve Kings Standard American (57x89mm) 100 Microns, Pack of 55 : Toys & Games There are 75 cards of this size in the game Zatu Games 110 x Wyrmspan Compatible Sleeves (57 x 57 mm) Toys Premium Standard American Card Sleeves

Playmats give you a clean surface to play on and make it easy to pick up and move around your cards

This error adds a unique twist to the card and makes it more desirable for collectors

Ninjitsu Art Tool - Iron Digger provides a small ATK boost, and treats the equipped monster as a "Ninja" monster

The white spot on the left side of the back is almost certainly a minor mark on the card, though not one Id expect to knock it down a grade

It might seem weird to have Ashiok, Dream Render in the sideboard rather than in the main deck since on its face, it looks like one of the best mill cards in Standard, potentially milling 20 cards all by itself for just three mana