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Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Flying, vigilance
Whenever Flockchaser Phantom attacks, the next spell you cast this turn has convoke.
If the next spell you cast after Flockchaser Phantom’s ability resolves already has convoke, giving it convoke again doesn’t have any real benefit. Tapping a creature you control will still pay for only {1} or one mana of that creature’s color.
