Stardust Dragon [DAMA-EN100] Starlight Rare Fiend destroy the monster with this

destroy the monster with this card's effect without applying damage calculation

Set: Strike of Neos Card type: Normal Monster Rarity: Ultimate Rare Attack: 2600 Defense: 1700

they must discard all copies of it in their hand

"Fortress Whale's Oath"

You can Normal Summon this card without Tributing

Stardust Dragon [DAMA-EN100] Starlight Rare Fiend destroy the monster with thisSet: Dawn of Majesty Card type: Synchro Effect Monster Rarity: Starlight Rare Attack: 2500 Defense: 2000 1 Tuner + 1+ non Tuner monsters When a card or effect is activated that would destroy a card(s) on the field (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy it. During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your GY.