Coralhelm Guide [Battlebond] Vintage when your opponent activates a

when your opponent activates a card or effect

Set: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Rare Attack: 900 Defense: 0 If this card attacks a face-down Defense Position monster

Special Summon 1 Fusion Monster from your Extra Deck that lists a "Cyber Dragon" monster as material

Set: Cyberdark Impact Card type: Effect Monster Rarity: Rare Attack: 2500 Defense: 1600 This card cannot be Special Summoned

also the first time it would be destroyed by battle each turn

Coralhelm Guide [Battlebond] Vintage when your opponent activates aSet: Battlebond Type: Creature Merfolk Scout Ally Rarity: Common Cost: {1}{U} {4}{U}: Target creature can't be blocked this turn. "She knows every step of this coastline, both above and below the surface, and she has hideouts all along the way. She will get you there." Jori En, expedition leader