yugioh structure deck invincible fortress Deck: Common Premature Burial SD7-EN018 Not only does it contain everything you need to build a formidable fortress Hieracosphinx (Yugioh Structure Deck: Invincible

Notably, many participants use it for propaganda, such as Yuya advocating against the City's slavery-based system, Shinji Weber using it to rally the Commons for the revolution, Roget's failed attempt to crush public resistance by using Sergei as a stand-in, Yuzu and later Sora's hijacking of the same broadcasting system to communicate with their allies, and most importantly, Yuya and Jack's finals duel to unite the City

Thragtusk is rather a different kind of thing

Letting a player fusion summon a Gem-Knight using cards from their deck is good in its own right, and the target people often go for is Gem-Knight Seraphinite

I liken it to Hangar Scrounger, which many people realized could go infinite with Seeker of Skybreak and insisted that it could be a thing

It doesnt copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on