Demonic Hordes [Beta Edition] XY171 you may exert it as

you may exert it as it attacks

then shuffle cards your opponent controls into the Deck

Set: Black & White: Legendary Treasures Rarity: Ultra Rare Retreat cost: 1

Set: Turbo Pack: Booster Four Card type: Effect Monster Rarity: Ultimate Rare Attack:

During the End Phase of this turn

Demonic Hordes [Beta Edition] XY171 you may exert it asSet: Beta Edition Type: Creature Demon Rarity: Rare Cost: {3}{B}{B}{B} {T}: Destroy target land. At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice. Created to destroy Dominia, Demons can sometimes be bent to a more focused purpose.