原文If you don't cast the copy (perhaps because there are no legal targets available or you don't want to), the copy will cease to exist.
2022/10/14
原文If you cast a spell "without paying its mana cost," you can't pay any alternative costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, you must pay those.
2022/10/14
原文If the copy has in its mana cost, you must choose 0 as the value of X.
2022/10/14
原文The card remains exiled no matter what happens to the copy.