Polymerization [LCYW-EN056] Super Rare Tuner/Effect Monster battle positions of all face-up

battle positions of all face-up Insect-Type monsters on your opponent's side of the field are changed into Attack Position

you can add that Trap to your hand instead

Set: Invasion: Vengeance Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 550 2 Level 4 "tellarknight" monsters All face-up monsters on the field become DARK

but the opponent's monster was not destroyed by the battle: You can return that opponent's monster to the hand

Polymerization [LCYW-EN056] Super Rare Tuner/Effect Monster battle positions of all face-upSet: Legendary Collection 3: Yugi's World Card type: Normal Spell Rarity: Super Rare Send, from your hand or your side of the field to the Graveyard, the Fusion Material Monsters that are listed on a Fusion Monster Card, then Special Summon that monster from your Extra Deck.