Number 40: Gimmick Puppet of Strings 
50
Level 8 DARK/Machine Xyz Effect3000 ATK / 2000 DEF
2 Level 8 monsters
Once per turn: You can detach 1 material from this card; place 1 String Counter on each face-up monster on the field, except this card. Once per turn, during the next End Phase of the opponent of the player who placed a String Counter(s) by this effect: Destroy the monsters with String Counters, and if you do, inflict 500 damage to your opponent for each monster destroyed.
Printings:
Weekly Shonen Jump Alpha December 2012 membership promotional card: JUMP-EN063 (Ultra Rare) - 2012-12-252013 Collectible Tins Wave 1: CT10-EN011 (Super Rare) - 2013-08-30
Legendary Duelists: Immortal Destiny: LED5-EN043 (Common) - 2019-09-26
Prices:
Cardmarket: 0.87 €TCGplayer: $ 0.72