King of the Swamp [DT04-EN055] Common Xyz Monster apply this effect

apply this effect

Set: Black & White: Plasma Freeze Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: EX: Emerald Type: Fighting Rarity: Common Retreat cost: Colorless

Set: Platinum: Rising Rivals Type: Colorless Rarity: Rare Retreat cost: Colorless

Set: Base Set 2 Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

King of the Swamp [DT04-EN055] Common Xyz Monster apply this effectSet: Duel Terminal 4 Card type: Effect Monster Rarity: Common Attack: 500 Defense: 1100 You can substitute this card for any 1 Fusion Material Monster. When you do this, the other Fusion Material Monster(s) must be the correct one(s). You can discard this card to the Graveyard to add a "Polymerization" from your Deck to your hand.