Tentacruel (10/18) [Southern Islands] Human Bureaucrat destroy this card unless you

destroy this card unless you send 1 "Iron Core of Koa'ki Meiru" from your hand to the Graveyard or reveal 1 Dragon-Type monster in your hand

Set: Collectors' Edition Type: Land — Swamp Mountain Rarity: Rare ({T}: Add {B} or {R}

Set: Arabian Nights Type: Land Rarity: Uncommon {T}: Add {C}

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 5000 Defense: 5000 Cannot be Normal Summoned/Set

Educated in Argive and highly knowledgeable in the field of artifacts

Tentacruel (10/18) [Southern Islands] Human Bureaucrat destroy this card unless youSet: Southern Islands Type: Water Rarity: Promo Retreat cost: Colorless