water omotics yugioh card japan Let's Talk: Censored Yu-Gi-Oh! Cards Water Omotics (SDD) - Yugipedia

The most famous one is probably Dark Confidant

Most Used Format Non-Meta Decks Public Decks 837 Tournament Decks 329 Top: TCG Total Copies 1,475 Avg Copies / Deck 1.76 Main Deck 0% 0 copies in 0 decks Extra Deck 98.5% 1,453 copies in 820 decks Side Deck 1.5% 22 copies in 20 decks Variant Artwork Alternate print artwork for Phantom of Yubel

2 Trainer (2002 Neo Summer Battle Road Tomoki Fukinishi) 1 Copy, US$34,100 / No

Be sure to brush up on your myriad rules

Mishras Workshop even has a deck named after it called "Shops", a deck that looks to play powerful Artifact Lock pieces on turn 1, then grind out the opponent or end them quickly with a Lodestone Golem