A Blow of the Sacred Blade

Ability

Timing: This can be set. If set, you can play it at any time if you are Geared Up.
■ This event can also be played directly from your hand.
■ Reveal the top 4 cards of your opponent's deck. Put 1 of them back on top, and put the rest on the bottom of their deck in any order. Then, deal 1 damage to your opponent. (PRO TIP: if you use this during your opponent's turn and see a card with a that would end the turn, put that one back on top!)

The fell dragon's curse causes anything it touches to age billions of years in an instant. But it had no effect on the sacred sword made of Caliburite, which had existed since the dawn of the universe.