Onslaught Tweet Out of stock. $0.25 Wishlist Details Set: Scarlet Monastery Dungeon Deck Card Number: 30 Rarity: Common Card Type: Dungeon Ability Faction: Neutral Card Text: Dungeon allies have Ferocity this turn.If Mograine would deal damage while attacking this turn, he deals double that much instead. Name: Onslaught Finish: Regular Manufacturer: Cryptozoic Entertainment