Obelisk the Tormentor (Quarter Century Secret Rare) [LC01-EN001] Quarter Century Secret Rare Metal Raiders you can Special Summon this

you can Special Summon this card (from your hand)

Set: Doom of Dimensions

you can Special Summon this card to your side of the field

and if you do

Pendulum Effect

Obelisk the Tormentor (Quarter Century Secret Rare) [LC01-EN001] Quarter Century Secret Rare Metal Raiders you can Special Summon thisObelisk the Tormentor (Quarter Century Secret Rare) Set: Legendary Collection: 25th Anniversary Edition Rarity: Quarter Century Secret Rare Condition: Near Mint Language: English The descent of this mighty creature shall be heralded by burning winds and twisted land. And with the coming of this horror, those who draw breath shall know the true meaning of eternal slumber.