Armed Changer

Edison Card Text
Send 1 Equip Spell Card from your hand to the Graveyard to activate this card. If the equipped monster destroys a monster as a result of battle, the controller of this Equip Card can add 1 monster with ATK equal to or less than the equipped monster from their Graveyard to their hand.
Elemental Energy • 2005-11-16
Targets
No Damage Step effect
Banlist • Unlimited
Rulings
edisonformat.net
Send 1 Equip Spell Card from your hand to the GY to activate this card. ●Sending 1 Equip Spell Card from your hand to the GY is a cost. You can't activate this card while Macro Cosmos is active, since you can't pay the cost.
●The Trigger Effect is optional, it activates & resolves on the field.
●This effect activates in Substep 7 - End of the Damage Step.
●If the monster equipped with this card destroys a monster like “Sangan” or “Mystic Tomato”, its effect will form a chain with them according to the rules of simultaneous effects.
●If the monster equipped with this card destroys a monster with equal ATK, then its effect won't activate, since “Armed Changer” is sent to the GY at the same time as the opponent’s monster.
edisonformat.com
Send 1 Equip Spell Card from your hand to the Graveyard to activate this card. (1) If the equipped monster destroys a monster by battle, the controller of this Equip Card can add 1 monster with ATK equal to or less than the equipped monster from their Graveyard to their hand.
Sending 1 Equip Spell Card from your hand to the Graveyard is a cost. You can't activate this card while "Macro Cosmos" is active, since you can't pay the cost.
The (1) Trigger-like Effect is optional, it activates & resolves on the field.
This effect activates in Substep 7 - End of the Damage Step.
If the monster equipped with this card destroys a monster like “Sangan” or “Mystic Tomato”, its effect will form a chain with them according to the rules of simultaneous effects.
If the monster equipped with this card destroys a monster with equal ATK, then its effect will not activate, since “Armed Changer” is sent to the Graveyard at the same time as the opponent’s monster.