Painful Experiment (R AOT01 208/297)

Response: After this attack deals damage, choose 1 backup or 1 Shift Attack in your discard pile with difficulty X or less and add it to your hand. X equals the damage dealt.

(Powerful: 2—Enhance Spend 1 or more momentum: This attack gets +2 damage for each momentum spent to pay the cost of this ability.)
Powerful: 2
Resources: A-Life
Attack
From the UniVersus card game set Attack on Titan: Battle for Humanity.