Sephylon, the Ultimate Timelord [LC5D-EN229] Super Rare Champion Pack 3 Once per turn: You can

Once per turn: You can target 1 face-up monster your opponent controls

except "Lemon Magician Girl"

If "Necrovalley" is on the field

When it destroys an opponent's monster by battle and sends it to the Graveyard

Sephylon, the Ultimate Timelord [LC5D-EN229] Super Rare Champion Pack 3 Once per turn: You canSet: Legendary Collection 5D's Card type: Effect Monster Rarity: Super Rare Attack: 4000 Defense: 4000 Cannot be Normal Summoned Set. Must be Special Summoned (from your hand) by having 10 or more monsters in your Graveyard, and cannot be Special Summoned by other ways. Once per turn: You can Special Summon 1 Level 8 or higher Fairy Type monster from your hand or Graveyard, but its effects are negated, also its ATK becomes 4000.