Sephylon, the Ultimate Timelord [PGL2-EN084] Gold Rare

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 effect(s) are negative and its ATK becomes 4000.