Shellder (63/101) (Delta Species) (Stamped) [EX: Dragon Frontiers] 15 then activate 1 of these

then activate 1 of these effects: This card can make a second attack on an opponent's monster in a row

Set: Astral Pack 6 Card type: Effect Monster Rarity: Ultimate Rare Attack: 1000 Defense: 600 When this card is Normal Summoned: You can Special Summon 1 Level 3 Fiend-Type monster from your hand or Deck

Set: Dark Beginning 1 Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Destroy 1 face-down Spell or Trap Card and remove it from play

Set: Star Pack - Battle Royal Card type: Effect Monster Rarity: Starfoil Rare Attack: 1600 Defense: 1000 If your opponent controls a monster and you control no monsters

You can only activate 1 "Imperial Tombs of Necrovalley" per turn

Shellder (63/101) (Delta Species) (Stamped) [EX: Dragon Frontiers] 15 then activate 1 of theseSet: EX: Dragon Frontiers Type: Fighting Rarity: Common Retreat cost: Colorless