Khi nào hiệu ứng của Heavy Metal Raiders tăng ATK sẽ được áp dụng?

DARK 8

If a face-up DARK Machine monster(s) you control is destroyed by battle or card effect: You can Special Summon this card from your hand. Once per turn, during the Battle Phase (Quick Effect): You can toss a coin 3 times; destroy face-up monsters on the field, up to the number of heads, then if the result was 3 heads, draw 1 card. This card cannot attack the turn this effect is activated. If this card is sent to the GY: You can add 1 Level 7 or lower monster that has a coin tossing effect, from your Deck to your hand.

LIGHT 8

This legendary dragon is a powerful engine of destruction. Virtually invincible, very few have faced this awesome creature and lived to tell the tale.

Spell Field

The first time each DARK Machine monster you control would be destroyed by battle each turn, it is not destroyed, and if you took battle damage from the battle, it gains that much ATK after damage calculation, and keeps that ATK gain as long as this card is on the field. Once per turn, if a monster you control that was originally a DARK Machine destroys a card(s) on the field by battle or card effect: You can Special Summon 1 DARK Machine monster from your hand.