Sea Monster of Theseus [RATE-EN081] Secret Rare Common This card gains the total

This card gains the total ATK and DEF of the monsters Tributed for its Tribute Summon

and cannot be Special Summoned by other ways

then if its ATK has been reduced to 0 as a result

Set: Legendary Duelists Card type: Effect Monster Rarity: Ultra Rare Attack: 1200 Defense: 700 When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Level 7 or lower "Red-Eyes" monster from your Deck

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

Sea Monster of Theseus [RATE-EN081] Secret Rare Common This card gains the totalSet: Raging Tempest Card type: Fusion Tuner Monster Rarity: Secret Rare Attack: 2200 Defense: 1800 2 Tuners