Polymerization (Alternate Art) (Quarter Century Secret Rare) [RA03-EN051] Quarter Century Secret Rare Spellcaster You can only use this

You can only use this effect of "Tri-Brigade Arms Bucephalus II" once per turn

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

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 1500 Defense: 1200 Once per turn

Set: EX: Team Rocket Returns Type: Psychic

or "Evil Hero" monster

Polymerization (Alternate Art) (Quarter Century Secret Rare) [RA03-EN051] Quarter Century Secret Rare Spellcaster You can only use thisSet: Quarter Century Bonanza Card type: Normal Spell Rarity: Quarter Century Secret Rare Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material.