Bulma/Son Goku : Childhood (SB01-057) [Manga Booster 01]

Product Details

[On Play] Draw 2 cards. Then, discard 1 card from your hand
[Activate Battle] [Your Turn] [Once per turn] If you use a card from your Drop in a combo during this turn, this card gains Double Strike for the battle.
([Double Strike] : This card inflicts 2 damage instead of 1 when attacking.)