Accel Synchro Stardust Dragon [MAZE-EN019] Ultra Rare SV72 Set: Neo Discovery Unlimited Type:

Set: Neo Discovery Unlimited Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: Diamond & Pearl: Great Encounters Type: Water Rarity: Rare Retreat cost: Colorless

Set: Black & White: Plasma Freeze Type: Supporter Rarity: Ultra Rare

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

Accel Synchro Stardust Dragon [MAZE-EN019] Ultra Rare SV72 Set: Neo Discovery Unlimited Type:Set: Maze of Memories Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 1 Tuner + 1+ non Tuner monsters If this card is Synchro Summoned: You can Special Summon 1 Level 2 or lower Tuner from your GY. During the Main Phase (Quick Effect): You can Tribute this card; Special Summon 1 "Stardust Dragon" from your Extra Deck (this is treated as a Synchro Summon), then, immediately after this effect resolves, Synchro Summon