Ancient Gear Zombie Soldier

[Gaia Overload]

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First Japenese card too.

[spoiler=Lore]

This card is also treated as a Machine-Type monster. This card is unaffected by Spell and Trap Cards. When this card attacks, your opponent must destroy 1 Spell or Trap Card they control. If "Geartown" is in play when this effect activates, you can Special Summon 1 level 5 or lower "Ancient Gear" card from your Deck or Graveyard.

 

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[.Nu-13]

OCG Fix:

This card is also treated as a Machine-Type monster. This card is unaffected by the effects of Spell and Trap Cards. When this card declares an attack, your opponent must destroy 1 Spell or Trap Card they control. If "Geartown" is face-up on the field play when this effect activates, you can Special Summon 1 Level 5 or lower "Ancient Gear" monster from your Deck or Graveyard.

 

And waaaaaaaaaaaaaaaaaaaaaaaaaaay to OP'ed. Unnaffected by every Spell and Trap, so BoM, D-Prison etc. Once per turn, it has MST. And, allows you to Special Summon AG just when attacking? Meh, 3/10

[Gaia Overload]

Once per turn, it is MST, that is if you haven't destroyed your Geartown yet.

[.Nu-13]

But it's still OP'ed