Tapion's Sword

If you have a blue Unison Card with a specified cost of 3 in play, you can activate this card's skill from your hand without paying its energy cost.
(You can only activate this skill once per turn across all copies of this card.) (You must remove a marker from your Unison Card to activate this skill.) If your Leader Card is a mono-blue ＜Trunks : Youth＞ card : Draw 1 card, then choose up to 1 of your Leader Cards or Unison Cards and it gets +10000 power for the battle.