copycat yugioh card Yu-Gi-Oh! - (5DS1-EN015) - 5Ds Starter Deck - Unlimited Edition Ultra Rare Attack Copycat (character) | Yu-Gi-Oh! Wiki

Its excellent removal, and the flavor is *chefs kiss*

I struggle to come up with a specific use for it at the moment aside from the few above (and Trevenant is admittedly a bit flaky since its attack is eh), but its not hard to see the potential here

Perfect Gift for Nerds and lovers of fine luxury Cardboard Rectangles

Hieroglyphic Illumination is the high-end upside card that also costs one mana, can produce card advantage, and that can allow a timely Terminus on an opponents turn

The Hatsune Miku version goes for around $15.50 right now, which is nothing to sniff at

Ive even seen people run this in disguise/morph decks, where they attempt to manifest Phage, then flip it up post blocks to catch someone off-guard