- The "If this card was Special Summoned, this card cannot be used as a Synchro Material Monster." is not treated as an effect of an Effect Monster. It cannot be negated by effects such as Skill Drain, Blackwing - Shura the Blue Flame, etc.
- As long as Blackwing - Kochi the Daybreak itself is not Special Summoned, it can be used as a Synchro Material Monster in the turn when other monster(s) are Special Summoned.
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