Soul Partition
Instant
Oracle Text
Exile target nonland permanent. For as long as that card remains exiled, its owner may play it. A spell cast by an opponent this way costs
more to cast.
Rulings (1)
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Wizards of the CoastPlaying the exiled card follows all normal timing rules for a card of that type, and its owner must pay all costs (including the additional if applicable) to cast it this way.