Thunder Dragon Colossus (Secret Rare)
DARKFusion/Effect Monster"Thunder Dragon" + 1 Thunder monster Must be either Fusion Summoned, or Special Summoned during the turn a Thunder monster's effect was activated in the hand, by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization"). Cards cannot be added from the Main Deck to your opponent's hand except by drawing them. If this card would be destroyed by battle or card effect, you can banish 1 Thunder monster from your GY instead.
Variants & Prices
Updated Jan 23, 2026Track Thunder Dragon Colossus (Secret Rare) in your collection
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Price History
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