Thunder Dragon Colossus [OP10-EN001] Ultimate Rare RC15 then you can add 1

then you can add 1 "Polymerization" from your Graveyard to your hand

Set: Generation Force Card type: Equip Spell Rarity: Ultra Rare Attack: 0 Defense: 0 Equip only to a Spellcaster-Type monster

Set: Power of the Duelist Card type: Effect Monster Rarity: Ultimate Rare Attack: 1000 Defense: 1000 This card cannot be Special Summoned

Set: Structure Deck: Lord of the Storm Card type: Continuous Trap Rarity: Common Attack: 0 Defense: 0 Discard 1 card from your hand

• Your turn: All monsters on the field lose 500 ATK/DEF

Thunder Dragon Colossus [OP10-EN001] Ultimate Rare RC15 then you can add 1Set: OTS Tournament Pack 10 Card type: Fusion Effect Monster Rarity: Ultimate Rare Attack: 2600 Defense: 2400 "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.