Threatening Roar (Silver) [DL09-EN020] Rare RC12 you can discard any number

you can discard any number of cards from your hand and increase the Level of this card by the number of discarded cards

also for the rest of this turn

Set: Shonen Jump Championship Series Promos Card type: Trap Card Rarity: Ultra Rare Tribute 1 DARK monster with 1000 or less ATK

Set: 2002 Collectors Tin Card type: Fusion Monster Rarity: Secret Rare Attack: 3200 Defense: 2500 "Summoned Skull" + "Red-Eyes B

When this card is destroyed and sent from your side of the field to the Graveyard

Threatening Roar (Silver) [DL09-EN020] Rare RC12 you can discard any numberSet: Duelist League Promo Card type: Trap Card Rarity: Rare Your opponent cannot declare an attack this turn.