Mathmech Superfactorial

Normal Trap

Target up to 3 "Mathmech" monsters in your GY with different names, then activate 1 of these effects;
● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Synchro Summon 1 "Mathmech" Synchro Monster using only those monsters, and shuffle the materials into the Deck instead of sending them to the GY.
● Special Summon them, but their effects are negated, then, immediately after this effect resolves, Xyz Summon 1 "Mathmech" Xyz Monster using only those monsters.
You can only activate 1 "Mathmech Superfactorial" per turn.

Rulings – Yugipedia

Printings:

Mystic Fighters: MYFI-EN012 (Secret Rare) - 2019-11-22
2025 Mega-Pack Tin: MP25-EN287 (Ultra Rare) - 2025-09-04

Prices:

Cardmarket: 0.14 €
TCGplayer: $ 0.17