Oracle's Vault [Amonkhet Prerelease Promos] TG08 but its effects are negated

but its effects are negated and its ATK becomes 4000

Set: Speed Duel: Destiny Masters Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 1500 If this card you control is sent to your GY: Add 1 "Gravekeeper's" monster with 1500 or less DEF from your Deck to your hand

You can only use each effect of "Sekka's Light" once per turn

The monster Special Summoned by this effect cannot be destroyed by battle with a monster Special Summoned from the Extra Deck

Oracle's Vault [Amonkhet Prerelease Promos] TG08 but its effects are negatedSet: Amonkhet Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.