Rules of the Depths

■ Set (This card remains on the field)

■ During your attack phase, when a monster on your opponent's field attacks and deals damage to your opponent, put the top card from your deck into your gauge, you gain 1 life, draw a card, and deal 1 damage to your opponent! This ability only activates once per turn.

■ You may only Set one "Rules of the Depths" on your field.