One Hit K.O. Anaesthesia (TSR-071 R) [The Battle at the Sacred Ruins]

[Quickcast] [Remnant] You pay 1 more to play this card from a graveyard. J/resonators that entered the field this turn before this spell resolves gain [0/-500] until end of turn. This card gains the following text in all zones as long as you control a Doctor J/ruler; - Target up to one resonator your opponent controls that entered the field this turn. You gain X life, where X is the ATK of the chosen target. - [Torrent] The controller of the chosen target gains X life, where X is the ATK of the chosen target.