Thunder Dragon Colossus [MP19-EN183] Ultra RareSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Fusion Effect Monster Rarity: Ultra 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

Set: Core Set 2019 Promos Type: Artifact Rarity: Rare Cost: {3} {4}

That creature loses flying until end of turn

Set: XY: Flashfire Type: Dragon Rarity: Uncommon Retreat cost: Colorless

That copy costs {2} less to cast

Activate only if you control three or more artifacts

"Quell your ego and anywhere can be as calm as a hurricane's eye

Set: POP Series 2 Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

you can Summon this card in face up attack position without offering monsters as tributes

Set: Legions Type: Creature — Illusion Sliver Rarity: Common Cost: {1}{U} All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Uncommon Cost: {1}{U} Target player shuffles up to four target cards from their graveyard into their library

it deals 1 damage to any target

When Rot Hulk enters the battlefield