Ancient Gear Dark Golem

[ Machine / Effect ] This card's name becomes "Ancient Gear Golem" while on the field or in the GY. If this card is Normal or Special Summoned: You can activate this effect; you cannot Set cards for the rest of this turn, also add up to 2 "Ancient Gear" cards and/or "Geartown" from your Deck to your hand, except "Ancient Gear Dark Golem", then discard 1 card. You can only use this effect of "Ancient Gear Dark Golem" once per turn. If this card attacks, your opponent cannot activate Spell/Trap Cards until the end of the Damage Step. ATK/ 3000 DEF/ 3000