Thunder Dragon Colossus is a Ultimate Rare Fusion Monster card from Yu-Gi-Oh! (OTS Tournament Pack 10, OP10). Current market price: $0.19.
Ultimate Rare
OTS Tournament Pack 10 (OP10)
Card Text
"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.
