Shellder (79/112) [EX: FireRed & LeafGreen] 044 During each of your opponent's

During each of your opponent's Standby Phases: You take 1000 damage

If this card destroys an opponent's monster by battle: Destroy all face-up monsters your opponent controls

Set: Duel Terminal 3 Card type: Normal Trap Rarity: Common Activate only by discarding 1 card when you take Battle Damage

Set: Starter Deck: Yugi Evolution Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Increase your Life Points by 1000 points

and its own secondary ability will activate in your next Standby Phase

Shellder (79/112) [EX: FireRed & LeafGreen] 044 During each of your opponent'sSet: EX: FireRed & LeafGreen Type: Water Rarity: Common Retreat cost: Colorless