Chain Blade, Killing Chain (X-BT02/0101EN) (X-BT02)

[Equip Cost] [Pay 1 gauge]
When a card from your opponent's deck is put into the drop zone by your card effects, put the top two cards of your opponent's deck into the drop zone. This ability only activates once per turn.
When this card is put from the field into the drop zone, put the top two cards of your deck into your gauge.