X can't be 0. Target spell's controller removes it from the game with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is removed from the game, remove a delay counter from it. If the card has no delay counters on it, he or she puts it onto the stack as a copy of the original spell.
Editions
Formats
Legal in Vintage, Legacy
Rulings
For special rulings for this card visit the
Gatherer page
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