Thunder Dragon Colossus [OP10-EN001] Ultimate Rare RC15 When this card is Ritual

When this card is Ritual Summoned: Target up to 5 cards in any Graveyard(s)

The ATK and DEF of this card are each equal to the number of cards your opponent controls × 1000

Set: Generation Force Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1500 2 Level 4 monsters This cards gains 300 ATK for each of its Xyz Materials

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

Thunder Dragon Colossus [OP10-EN001] Ultimate Rare RC15 When this card is RitualSet: 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.