Cyber Ogre 2 [CDIP-EN036] Ultra Rare Wyrm you can discard 1 Zombie-Type

you can discard 1 Zombie-Type monster to the Graveyard to select 1 Zombie-Type monster in your Graveyard with a Level less than the discarded Zombie-Type monster's

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

negate the effect

You can target 1 other "Number" Xyz Monster you control

Special Summon that target in face-up Defense Position

Cyber Ogre 2 [CDIP-EN036] Ultra Rare Wyrm you can discard 1 Zombie-TypeSet: Cyberdark Impact Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 1900 Cyber Ogre + Cyber Ogre A Fusion Summon of this monster can only be conducted with the above Fusion Material Monsters. When this card attacks, it gains ATK equal to half the ATK of the attack target, during damage calculation only.