Shadow Impulse

Card type	Monster
Attribute	TRAP"TRAP" is not in the list (DARK, DIVINE, EARTH, FIRE, LIGHT, WATER, WIND, ?, ???, THUNDER, ...) of allowed values for the "Attribute" property.
Activate only when a Synchro Monster you control is destroyed. Select 1 Synchro Monster in your Extra Deck with the same Type and Level as the destroyed monster, and Special Summon it in face-up Attack Position. Its ATK becomes 0 and its effect(s) are negated.

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