Chimeratech Fortress Dragon [JUMP-EN031] Ultra Rare Normal Trap or monster effect

or monster effect

while this card is in your GY: You can add this card to your hand

This card can only be Special Summoned from your hand or your Deck by Tributing 1 "Dark Magician" on your side of the field when you succeed in the effect of "Time Wizard"

If you have "Unity" in your hand and show it to your opponent

Chimeratech Fortress Dragon [JUMP-EN031] Ultra Rare Normal Trap or monster effectSet: Shonen Jump Magazine Promos Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 "Cyber Dragon" + 1 or more Machine Type monsters. This monster cannot be used as a Fusion Material Monster. You can only Special Summon this card from your Extra Deck by sending the above cards from either side of the field to the Graveyard. (You do not use "Polymerization".) The original ATK of this card is equal to 1000 x the number of Fusion