Xorn (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] SM201 You can only use each

You can only use each effect of "Unchained Twins - Aruha" once per turn

If a source would deal damage to an opponent or a permanent an opponent controls

Storm (When you cast this spell

Set: The Duelist Genesis Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 2700 Defense: 2300 1 Tuner + 1 or more non-Tuner monsters

and their effects on the field

Xorn (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] SM201 You can only use eachSet: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Creature Elemental Rarity: Rare Cost: {2}{R} If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token. Xorns are native to the Elemental Plane of Earth, where gems and rare stones are plentiful. When summoned elsewhere they can be quite destructive in search of food.