Dimensional Prison [WC08-EN003] Super Rare Yu-Gi-Oh! Video Game Promotional Cards attach those targets to this

attach those targets to this card as Xyz Materials

You can only use this effect of "Subterror Behemoth Umastryx" once per turn

remove from play any number of DARK monsters in your Graveyard

Set: High-Speed Riders Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 3200 Defense: 2500 1 Tuner + 1 non-Tuner DARK Dragon-Type Synchro Monster During either player's turn: You can target 1 face-up card your opponent controls

during the Damage Step only

Dimensional Prison [WC08-EN003] Super Rare Yu-Gi-Oh! Video Game Promotional Cards attach those targets to thisSet: World Championship 2008 DS Game Card type: Normal Spell Rarity: Super Rare Activate only when your opponent declares an attack. Remove from play the attacking monster.