Abominable Chamber of the Unchained [MP20-EN192] Common XY61 you can discard 1 card

you can discard 1 card to add 1 Iron Core of Koa'ki Meiru from your Deck to your hand

Set: OTS Tournament Pack 12 Card type: Effect Monster Rarity: Super Rare Attack:

Set: Speed Duel: Arena of Lost Souls Card type: Normal Spell Rarity: Common Target 1 face-up Spell

also those monsters cannot be destroyed by your opponent's card effects while you control them

Set: Structure Deck: Gates of the Underworld Card type: Effect Monster Rarity: Common Attack:

Abominable Chamber of the Unchained [MP20-EN192] Common XY61 you can discard 1 cardSet: 2020 Tin of Lost Memories Card type: Normal Trap Rarity: Common Special Summon 1 "Unchained" monster from your hand or GY. If this Set card is destroyed by card effect: You can Special Summon 1 "Unchained" monster from your Deck. You can only use each effect of "Abominable Chamber of the Unchained" once per turn.