Doom Dozer (UTR) [SOI-EN024] Ultimate Rare Duel Terminal 4 When this card is sent

When this card is sent to the Graveyard to activate a WATER monster's effect: Add 1 Sea Serpent-Type monster from your Deck to your hand

The other Synchro Material Monster(s) cannot be Level 4

if this attacking card destroys an opponent's monster by battle

You can Tribute this card to target 1 face-up "Gladiator Beast" monster you control

Doom Dozer (UTR) [SOI-EN024] Ultimate Rare Duel Terminal 4 When this card is sentSet: Shadow of Infinity Card type: Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 2600 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play 2 Insect Type monsters in your Graveyard. When this card inflicts Battle Damage to your opponent's Life Points, send 1 card from the top of your opponent's Deck to the Graveyard.