Evangelion 13 - Rasal Asclepius (BSS05-018) [Strangers in the Sky]

[LV1-LV2-LV3] When Summoned

Discard the top three cards of your deck. Then, select a Skybinder card from your trash and add it to your hand.

[LV2][LV3] During Your Attack Step

When this spirit or one of your Skybinder spirits attacks, select one of your opponent's spirits. Remove a core from it and place it into their reserve.