Horn of the Unicorn [BP02-EN134] Mosaic Rare XY17 when an opponent's Effect Monster's

when an opponent's Effect Monster's effect activates: You can send this card and 1 other Fairy-Type monster from your hand to the Graveyard

return all Set cards on the field to their owner's respective hands

or Special Summoned when there is a "Shooting Star Bow - Ceal" on your side of the field

Set: Fusion Enforcers Card type: Normal Spell Rarity: Super Rare (This card's name is always treated as "Polymerization"

Horn of the Unicorn [BP02-EN134] Mosaic Rare XY17 when an opponent's Effect Monster'sSet: Battle Pack 2: War of the Giants Card type: Equip Spell Rarity: Mosaic Rare The equipped monster gains 700 ATK and DEF. When this card is sent from the field to the Graveyard: Return it to the top of the Deck.