Armor Breaker

Edison Card Text
① Once per turn: you can activate 1 of these effects; ● Target 1 Warrior you control; equip this monster to that target.
● Unequip and Special Summon this card in Attack Position.
② While equipped by this effect, if the equipped monster inflicts Battle Damage: Target 1 card on the field; destroy it.
③ If a monster equipped by this card's effect would be destroyed, destroy this card instead.
© A monster can never be equipped with more than 1 Union Monster.
Targets
Note: both when it becomes an Equip Card and the second effect
No Damage Step effect
Banlist • Unlimited
Rulings
edisonformat.net
These rulings apply to all Union Monsters: https://edisonformat.net/rules/compendium/union-monsters
edisonformat.com
(1) Once per turn, you can equip this card to a Warrior-Type monster you control, OR unequip it to Special Summon this card in face-up Attack Position. (2) While equipped to a monster by this effect, when that monster inflicts Battle Damage to your opponent, destroy 1 card on the field. (C) (A monster can only be equipped with 1 Union Monster at a time. If the equipped monster would be destroyed by battle, this card is destroyed instead.)
The (1) Ignition(-like) Effect activates & resolves on the field.
If activated while in the monster zone, this is a Monster Card's effect.
If activated while equipped, this is an Equip Spell Card's effect.
The (2) Trigger-like Effect activates & resolves on the field, it is the effect of an Equip Spell Card.
This effect activates in Substep 5 - After Damage Calculation.
This effect targets 1 card on the field.