Monaka, Fathomless Power (BT31-035) - Impact Beyond Dimensions

[Auto] Place 1 card from your energy into its owner's Drop: When this card is played, choose up to 1 blue "Son Goku" card with [Blocker] and an energy cost of 2 from your Drop, and add it to your energy in Rest Mode.
[Activate:Main] B: You may play 1 blue "Son Goku" card with an energy cost of 2 from your energy or from under "Conflict" in your Battle Area. If you do, place this card under "Conflict" in your Battle Area.