Altaria (74/108) [XY: Roaring Skies] Dark Neostorm when a monster effect is

when a monster effect is activated on your opponent's field (except during the Damage Step): You can detach 2 Xyz Materials from this card

You can only use each of the following effects of "Cerulean Sacred Phoenix of Nephthys" once per turn

You can remove 2 Worm Counters from this card to destroy 1 card your opponent controls

Set: Structure Deck: Warriors' Strike Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 1000 When this card battles a monster

Set: Star Pack ARC-V Card type: Effect Monster Rarity: Shatterfoil Rare Attack: 2800 Defense: 1000 You can Tribute Summon this card by Tributing 1 Tribute Summoned monster

Altaria (74/108) [XY: Roaring Skies] Dark Neostorm when a monster effect isSet: XY: Roaring Skies Type: Colorless Rarity: Rare Retreat cost: Colorless