Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 LIGHT and/or DARK monsters from your GY. When Summoned this way: You can activate this effect; apply the following effect, based on the Attribute(s) of the monsters banished for the Special Summon, also this card cannot attack for the rest of this turn. • Only LIGHT: Special Summon 1 monster from your GY in Defense Position. • Only DARK: Shuffle 1 random card from your opponent's hand into the Deck. • Both LIGHT and DARK: Destroy up to 2 cards on the field.
You can only use this effect of "Chaos Dragon Levianeer" once per turn.