double equip cards

Sekrit Sword
Double-Equip Spell Card
Equip Spell Effect: The equipped monster gains 600 ATK, also it cannot be destroyed by card effects. Once per turn, during either player's turn, if your opponent activates a Trap Card: You can discard 1 card; negate the activation, and if you do, banish that card.
Double-Equip Effect: If 1 of the equipped monsters is destroyed, the other monster gains ATK equal to half the ATK of the destroyed monster, also it gains that monster's effects.

Spam Halo
Double-Equip Spell Card
Equip Spell Effect: The equipped monster cannot be destroyed by battle, also if you would take battle damage from battles involving this card, the opponent takes that damage, instead.
Double-Equip Effect: If 1 of the equipped monsters inflicts battle damage to your opponent, the other monster gains ATK equal to the battle damage inflicted.

imo tbh tbf
Double-Equip Spell Card
Equip Spell Effect: The equipped monster can attack your opponent directly, but when it does so using this effect, the battle damage inflicted to your opponent is halved.
Double-Equip Effect: If 1 of the equipped monsters is destroyed, the other monster gains ATK equal to the Level/Rank of the destroyed monster x300.

Micah's Sekrit Weapon
Double-Equip Spell Card
Equip Spell Effect: If the equipped monster battles, your opponent cannot activate cards or effects, until the end of the Damage Step. If the equipped monster battles a Defense Position monster, inflict piercing battle damage to your opponent.
Double-Equip Effect: If 1 of the equipped monsters battles the other monster, the other monster's ATK becomes 0, during damage calculation only.

Death Stroke
Double-Equip Spell Card
Equip Spell Effect: The equipped monster's ATK becomes 0, also activate 1 of the following effects. You can only control 1 "Death Stroke".
● Its effects are negated.
● It cannot change its battle position.
Double-Equip Effect: Both equipped monsters gains 400 ATK. If 1 of the equipped monsters destroys an opponent's monster by battle, the second monster gains 600 ATK, also it can make up to 2 attacks, on monsters, in a row.