Gyarados (4/123) (Cracked Ice Holo) [HeartGold & SoulSilver: Base Set] Fighting [-30] you can Special Summon this

you can Special Summon this card from your hand

but its original ATK becomes 0

You can only use each of these effects of "Tyrant Red Dragon Archfiend" once per turn

Set: Duelist Pack: Dimensional Guardians Card type: Fusion/Effect Monster Rarity: Super Rare Attack: 3000 Defense: 2200 1 "Edge Imp" monster + 1 "Fluffal" monster When this card destroys an opponent's monster by battle: You can inflict 1000 damage to your opponent

Set: HeartGold & SoulSilver: Call of Legends Type: Psychic Rarity: Promo

Gyarados (4/123) (Cracked Ice Holo) [HeartGold & SoulSilver: Base Set] Fighting [-30] you can Special Summon thisSet: HeartGold & SoulSilver: Base Set Type: Water Rarity: Promo Retreat cost: Colorless,Colorless,Colorless