mom set booster box Collecting March of the Machine and 1 token/ad card mtg mom booster box Amazon.com:

How Many Mythics Are in a Play Booster Box

This sleeve bundle includes 400 premium card sleeves

When two cards (for example, Fang, Fearless l'Cie and Vanille, Cheerful l'Cie) are melded, the result is a single permanent (in this case, Ragnarok, Divine Deliverance) that's represented by two cards

OCR System Specialized optical character recognition for trading cards, comic books, manga, and slab labels

Not too much to say about this one, sometimes the effect to shuffle a monster from either GY can come up in play against certain decks but most of the times you are just using it as a beater.

Eventually Sneasel came out even more broken, and despite being pretty unimportant in the source material it remains one of only three cards ever to be banned in the West for being overpowered (three others were banned for non-overpowered reasons, one for a translation error, one for being in hieroglyphics, and one that was more powerful on the user's birthday)