You may only cast this card during the final phase while you have a Size 2 or greater «Ice Dragon» on your field, your opponent's life is 5 or less, and a card on your opponent's field is [Rest]. [Cast Cost] [Pay 2 Gauge] Choose and use one of the following two. This card cannot be nullified, and its 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): - For this turn and the next turn, the power of all cards on the opponent's field become 0. - [Counter]"Godspeed Cast" During the opponent's final phase when they use a card or if they attacked zero times this turn, deal 2 damage plus the number of cards your opponent has [Rest].