Flying Drain Bane

Rest three recovered Armament or High Armament sub-rulers you control: Put this card from your graveyard into the field rested. If two or more High Armament sub-rulers were rested to pay this activation cost, put this card into the field recovered instead and it gains Swiftness until end of turn. Play this ability only if this card is in your graveyard.

, discard this card: Upgrade target Armament sub-ruler you control.