Luster Dragon #2 [LOD-050] Super Rare Dragon Ball you can select and activate

you can select and activate 1 of these effect: •Destroy Spell or Trap Cards on the field up to the number of "Elemental Hero" and "Destiny Hero" monsters you control (not counting this card)

When your opponent activates a card or effect that targets a card(s) you control (Quick Effect): You can Tribute 1 monster this card points to

Set: Shadows in Valhalla Card type: Effect Monster Rarity: Secret Rare Attack: 1800 Defense: 2000 Unaffected by your opponent’s Spell effects

they discard 2 random cards

or Special Summoned during the turn a Thunder monster's effect was activated in the hand

Luster Dragon #2 [LOD-050] Super Rare Dragon Ball you can select and activateSet: Legacy of Darkness Card type: Normal Monster Rarity: Super Rare Attack: 2400 Defense: 1400 This dragon feeds on emerald. Enchanted by this monster even when attacked, few people live to tell of its beauty. (This card was officially reprinted as an errata, without the "#2" in the Card Name.)