bt17 booster box Digimon Card Game: Secret Crisis [BT17] who were the main characters in each movie Dragon Ball Super: Ultimate Squad

Are you intrigued by what these cards might be

If an opponent's card in this card's column is destroyed by battle, or leaves the field: You can Special Summon 1 "Mekk-Knight" monster from your hand

In addition to being a slight rewriting of the classic Jingle Bells line, the part that says "sing a slaying song tonight" is modeled on the fact that "sleigh" and "slay" sound phonetically identical to each other, and the effect involves you 'slaying' some creatures (or at least attempting to)

Guaranteed Foils: Each jumbo pack contains at least 7 guaranteed foil/holo cards

The first batch was a limited release, hence the different title of limited edition. They are also known as the Pokemon base set

That's good and a heavily used effect