Old Entity Cthugua [SHVA-EN016] Secret Rare Token Monster and cannot be Special Summoned

and cannot be Special Summoned by other ways

• Special Summon from the Deck

You can only use this effect of "Parallel Panzer" once per turn

If you control a "Harpie" monster

Old Entity Cthugua [SHVA-EN016] Secret Rare Token Monster and cannot be Special SummonedSet: Shadows in Valhalla Card type: Synchro Effect Monster Rarity: Secret Rare Attack: 2200 Defense: 200 1 Tuner + 1+ non Tuner monsters If this card is Synchro Summoned: You can return all Rank 4 Xyz Monsters on the field to the Extra Deck. If you Fusion Summon using this card as Fusion Material: Draw 1 card. An Xyz Monster that was Summoned using this card on the field as Xyz Material gains this effect. If it is Xyz Summoned: Draw 1 card.