1 foil-etched showcase legendary mythic
Special Summon 1 monster from your hand, Deck, or Extra Deck that has 2 or more of the same Type, Attribute, and/or ATK (but negate its effects), and if you do, negate that targeted monster's effects, also, after that, if these monsters have the same name, you can banish both, face-down
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Asmoranomardicadaistinaculdacar: Pronunciation guide available here: www.youtube.com/watch?v=NrP62rgFAKQ (Scryfall note, 2021-06-14) The target creature of Asmoranomardicadaistinaculdacar's last ability is the source of the damage, not Asmoranomardicadaistinaculdacar itself
Gameplay in the Yu-Gi-Oh
There are a couple of key factors likely playing into this
Being able to tell which kind of UW artifact deck you have brewing and leaning into cards which complement it is the most important skill for success with this archetype