Double Evolution

Card type	Monster
Attribute	SPELL"SPELL" is not in the list (DARK, DIVINE, EARTH, FIRE, LIGHT, WATER, WIND, ?, ???, THUNDER, ...) of allowed values for the "Attribute" property.
Select 1 equipped Equip Spell Card on the field. All increases and decreases to ATK and DEF that are caused by the selected card's effect are doubled.

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