Montage Dragon [TDGS-EN014] Ultimate Rare as the manufacturer prefers that Stores do not sell these cards. and you have another card

and you have another card named "Megumin"

Set: Promo Finish: Cold Foil Type: Hero Rarity: Promo Class: Ranger Elemental Life: 40 Intellect: 4 Lexi

Set: Countdown Calendar Promos Type: Water Rarity: Promo Retreat cost: Colorless

You can only use this effect during your opponent's Battle Phase

Set: Sun & Moon: Black Star Promos Type: Psychic Rarity: Black Star Promo

Montage Dragon [TDGS-EN014] Ultimate Rare as the manufacturer prefers that Stores do not sell these cards. and you have another cardSet: The Duelist Genesis Card type: Effect Monster Rarity: Ultimate Rare Attack: ? Defense: 0 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by sending 3 other monsters from your hand to the Graveyard. This card's ATK is equal to the combined Levels of the sent monsters x 300.