God-Slicing Black Kamehameha (BT10-057) [Rise of the Unison Warrior]

Product Details

[Counter:Play] If you have a blue Unison Card in play : Draw 1 card; if the Battle Card being played has an energy cost of 4 or less, it's placed at the bottom of its owner's deck instead of being played.
[Permanent] If all of your energy is mono-blue, you can activate this card's [Counter] skill from your hand without paying its energy cost by choosing 2 other cards in your hand and discarding them.