Yu-Gi-Oh! Nightmare Troubadour promotional cards

When a Spellcaster monster declares an attack: Each player Special Summons 1 Spellcaster monster with 2000 or less ATK from their Deck in Attack Position.

Magician's Circle

Each time your opponent draws a card(s), place 1 Spell Counter on this card (max. 5). This card gains 500 ATK for each Spell Counter on it. During the Standby Phase of your next turn after the 5th Spell Counter is placed on this card: You can send this face-up card with 5 Spell Counters on it to the Graveyard; Special Summon 1 "Silent Magician LV8" from your hand or Deck.

Silent Magician LV4

Cannot be Normal Summoned/Set. Must be Special Summoned by "Silent Magician LV4" and cannot be Special Summoned by other ways. Unaffected by your opponent's Spell effects.