Equip only to a Machine-Type monster. Once per turn: You can activate this effect; it permanently gains 400 ATK. (This ATK gain remains even if this card leaves the field or if the monster becomes unaffected by card effects.) If it battles an opponent's monster, that monster's effect is negated during the Battle Phase only.
Permanent attack boost to equipped monster. Attack Boost still remains even if this card is destroyed.
Allows you to gain attack every turn.
Negates the effects of monsters it battles during the damage step.
Can only be equipped to machines.
Must wait several turns to get larger attack boost.
Negate flip effects
Use a monster equipped with this card to attack set monsters, to prevent them from activating their flip effects or "flipped faced-up" effects.