Stardust Dragon [CT05-EN001] Secret Rare SM169 You can only use each

You can only use each effect of "Astellar of the White Forest" once per turn

You can only use each effect of "Gadget Trio" once per turn

Set: EX: Emerald Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

except by an Xyz Summon that uses only "Gagaga" monsters as materials

it has "When this hits a hero

Stardust Dragon [CT05-EN001] Secret Rare SM169 You can only use eachSet: 2008 Collectors Tin Card type: Synchro Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2000 1 Tuner + 1 or more non Tuner monsters You can Tribute this card to negate the activation of a Spell Card, Trap Card, or Effect Monster's effect that destroys a card(s) on the field, and destroy that card. If you negate an effect this way, you can Special Summon this card from your Graveyard during the End Phase.