Valkyrion the Magna Warrior [SDD-001] Secret Rare Ancient Prophecy Set: Structure Deck: Warriors' Strike

Set: Structure Deck: Warriors' Strike Card type: Trap Card Rarity: Common Activate only when an opponent's monster declares an attack

toss a coin and call it

either banished and/or in your Graveyard (combined): You can banish this card from your Graveyard to target 1 Level 5 or higher Sea Serpent-Type monster in your Graveyard

then inflict 300 damage to your opponent for each card sent to the Graveyard by this effect

or Monster Card

Valkyrion the Magna Warrior [SDD-001] Secret Rare Ancient Prophecy Set: Structure Deck: Warriors' StrikeSet: Stairway to the Destined Duel Card type: Effect Monster Rarity: Secret Rare Attack: 3500 Defense: 3850 This card can only be Special Summoned by offering 'Alpha the Magnet Warrior', 'Beta the Magnet Warrior', and 'Gamma the Magnet Warrior' from your hand or the field as a Tribute. If 'Alpha the Magnet Warrior', 'Beta the Magnet Warrior', and 'Gamma the Magnet Warrior' exist in the Graveyard, you can offer this card as a Tribute to Special Summon