SpreeSpree is a static ability found on some modal spells (see rule 700.2) that applies while the spell on the stack. Spree means “Choose one or more modes. As an additional cost to cast this spell, pay the costs associated with those modes.”
Cards with the spree ability have a plus sign icon in the upper right corner of the card, and use a plus sign (+) rather than traditional bullet points. These symbols are a visual reminder that this card requires an additional cost to be cast, and do not have additional rules meaning. (CR 702.172) (Choose one or more additional costs.)
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ExileTo exile an object, move it to the exile zone from wherever it is. See rule 406, “Exile.” (CR 701.13) target nontoken creature. Return it to the battlefield under its owner's control at the beginning of the next end step.
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DestroyThe only ways a permanent can be destroyed are as a result of an effect that uses the word “destroy” or as a result of the state-based actions that check for lethal damage (see rule 704.5g) or damage from a source with deathtouch (see rule 704.5h). If a permanent is put into its owner’s graveyard for any other reason, it hasn’t been “destroyed.”
A regeneration effect replaces a destruction event. See rule 701.19, “Regenerate.” (CR 701.8) target creature if no other creature has greater power.