math mech yugioh deck Yu-Gi-Oh! - Mathmech Sigma - MYFI-EN001 - Super Rare - 1st Edition may be 1st or Unlimited Edition MYFI-EN003 - Mathmech Addition -

This warrior aged well as one would think, thanks to its timeless effect

Then, if you have 10 or more cards in your trash, that card gains [Banish] during this turn

Good value

Even though the Upside Down versions are easier to find than the ones without stamp

GR Gold Rare Gandora-X the Dragon of Demolition X DARK Level 8 [ DragonEffect ] ATK 0 DEF 0 When this card is Normal or Special Summoned from the hand: You can destroy as many other monsters on the field as possible, and if you do, inflict damage to your opponent equal to the highest original ATK on the field among those destroyed monsters (your choice, if tied)