Thunder Dragondark [MP19-EN167] Prismatic Secret Rare Duelist Pack Dimensional Guardians then target 1 Rank 4

then target 1 Rank 4 or lower Xyz Monster you control

Set: Starter Deck: Kaiba Reloaded Card type: Effect Monster Rarity: Common Attack: 1600 Defense: 1000 Control of this face-up card cannot switch

or 1 Spell/Trap that specifically lists the card "Ancient Gear Golem" in its text

Set: 2009 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 2500 There can only be 1 face-up Earthbound Immortal monster on the field

Set: Champion Pack 1 Card type: Effect Monster Rarity: Common Attack: 1700 Defense: 1000 Destroy all monsters with an ATK of 1400 or less that are Normal Summoned or Special Summoned

Thunder Dragondark [MP19-EN167] Prismatic Secret Rare Duelist Pack Dimensional Guardians then target 1 Rank 4Set: 2019 Gold Sarcophagus Tin Mega Pack Card type: Effect Monster Rarity: Prismatic Secret Rare Attack: 1600 Defense: 1500 (Quick Effect): You can discard this card; add 1 "Thunder Dragondark" from your Deck to your hand. If this card is banished, or sent from the field to the GY: You can add 1 "Thunder Dragon" card from your Deck to your hand, except "Thunder Dragondark". You can only use 1 "Thunder Dragondark" effect per turn, and only once that