Son Goku, Spirit Boost Warrior

If this card is in Rest Mode and you have a red Unison Card with a specified cost of 2 in play, this card and your red Leader Card get +1000 power.
(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.) When this card is placed in your Drop Area from your Battle Area by an opponent's skill or KO'd, play this card from your Drop Area.