SS2 Son Gohan, Trigger to Fierce Rage

[Double Strike] [Z-Awaken] GG, your life is at 3 or less : Green "Son Gohan: Childhood". [Auto] When your mono-green "Son Gohan: Childhood" attacks, you may use up to 1 mono-green "Son Goku" with 10000 combo power or less from your Drop in a combo with its skills negated for the turn. If you do, negate this skill for the turn. [Activate:Main] [Once per turn] Discard 1 green card from your hand : Draw 2 cards.