Cristiano Crystal Shoot!

You may only cast this card during your opponent's final phase if you did not take damage during your opponent's turn, you have a 《Prism Dragon》 on your center, and your opponent's life is 400k life or less.

[Cast Cost] [Pay 2 Cards]

[Counter] Deal 400k damage to the opponent! This card cannot be nullified and the damage cannot be reduced. If your opponent's life would become 0 by this card, it cannot be changed by your opponent's cards. (Unrevivable)