Sphinx

The card the archetype most wants to resolve is Pyramid of Light. Once it sits face-up on the field, both Andro Sphinx and Sphinx Teleia can be Special Summoned for a mere 500 Life Points each, bypassing the tribute requirements that would otherwise make two Level 10 monsters nearly impossible to field in the same turn. From there, the deck pursues Theinen the Great Sphinx, which arrives the moment both Andro Sphinx and Sphinx Teleia are destroyed simultaneously — a condition the deck engineers deliberately — and can then pay another 500 Life Points to gain 3000 ATK until the End Phase, presenting an immediate and overwhelming threat on the board.

The supporting Sphinx monsters handle the board state in the meantime. Guardian Sphinx and Pharaonic Guardian Sphinx each reset themselves to face-down Defence Position once per turn, repeatedly triggering their Flip effects: Guardian Sphinx bounces all opposing monsters to the hand, while its Pharaonic counterpart shuffles them into the Deck instead, a harder form of removal. Exxod, Master of The Guard compounds this loop by dealing 1000 damage every time an EARTH monster is Flip Summoned while it is face-up, turning each Guardian Sphinx re-flip into a burn trigger. Criosphinx punishes the hand-returning effect further, forcing the opponent to discard whenever one of their monsters is returned.

The deck's principal vulnerability is Pyramid of Light itself. Its own text destroys and banishes Andro Sphinx and Sphinx Teleia if it leaves the field, meaning any spell or trap removal not only dismantles the board but denies the Theinen summon entirely, since neither Andro Sphinx nor Sphinx Teleia can be Special Summoned from the Graveyard.