Magicians of Bonds and Unity [DUNE-EN000] Quarter Century Secret Rare 124 You can only Special Summon

You can only Special Summon "Blue-Eyes Alternative White Dragon" once per turn this way

then you can negate the effects of 1 face-up monster your opponent controls

except DARK "HERO" monsters

Set: HeartGold & SoulSilver: Black Star Promos Type: Item Rarity: Promo

Set: Neo Discovery 1st Edition Type: Psychic Rarity: Rare Retreat cost: Colorless

Magicians of Bonds and Unity [DUNE-EN000] Quarter Century Secret Rare 124 You can only Special SummonSet: Duelist Nexus Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 2500 Defense: 2500 Cannot be Normal Summoned Set. Must be Special Summoned (from your hand) by having 25 or more cards in your GY. While your opponent has 25 or more cards in their GY, this card gains 2500 ATK DEF.