Sea Monster of Theseus [MP17-EN231] Secret Rare Adeptus Custodes Any effect damage you take

Any effect damage you take becomes 0

Set: The Duelist Genesis Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters You can Tribute this card to negate the activation of a Spell Card

Set: Duel Terminal 4 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Activate only if your opponent has 4 or more cards in their hand

Set: Raging Battle Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 2100 1 Tuner + 1 or more non-Tuner LIGHT monsters When you declare an attack

Sea Monster of Theseus [MP17-EN231] Secret Rare Adeptus Custodes Any effect damage you takeSet: 2017 Mega Tins Mega Pack Card type: Fusion Tuner Monster Rarity: Secret Rare Attack: 2200 Defense: 1800 2 Tuners